20681238720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{6863}}^1$

素因数の和:6999

約数の個数: 224

約数和(自身を含む): 68120312832

約数和(自身を除く): 47439074112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 73, 80, 86, 96, 120, 129, 146, 160, 172, 192, 215, 219, 240, 258, 292, 320, 344, 365, 430, 438, 480, 516, 584, 645, 688, 730, 860, 876, 960, 1032, 1095, 1168, 1290, 1376, 1460, 1720, 1752, 2064, 2190, 2336, 2580, 2752, 2920, 3139, 3440, 3504, 4128, 4380, 4672, 5160, 5840, 6278, 6863, 6880, 7008, 8256, 8760, 9417, 10320, 11680, 12556, 13726, 13760, 14016, 15695, 17520, 18834, 20589, 20640, 23360, 25112, 27452, 31390, 34315, 35040, 37668, 41178, 41280, 47085, 50224, 54904, 62780, 68630, 70080, 75336, 82356, 94170, 100448, 102945, 109808, 125560, 137260, 150672, 164712, 188340, 200896, 205890, 219616, 251120, 274520, 295109, 301344, 329424, 376680, 411780, 439232, 500999, 502240, 549040, 590218, 602688, 658848, 753360, 823560, 885327, 1001998, 1004480, 1098080, 1180436, 1317696, 1475545, 1502997, 1506720, 1647120, 1770654, 2003996, 2196160, 2360872, 2504995, 2951090, 3005994, 3013440, 3294240, 3541308, 4007992, 4426635, 4721744, 5009990, 5902180, 6011988, 6588480, 7082616, 7514985, 8015984, 8853270, 9443488, 10019980, 11804360, 12023976, 14165232, 15029970, 16031968, 17706540, 18886976, 20039960, 21542957, 23608720, 24047952, 28330464, 30059940, 32063936, 35413080, 40079920, 43085914, 47217440, 48095904, 56660928, 60119880, 64628871, 70826160, 80159840, 86171828, 94434880, 96191808, 107714785, 120239760, 129257742, 141652320, 160319680, 172343656, 215429570, 240479520, 258515484, 283304640, 323144355, 344687312, 430859140, 480959040, 517030968, 646288710, 689374624, 861718280, 1034061936, 1292577420, 1378749248, 1723436560, 2068123872, 2585154840, 3446873120, 4136247744, 5170309680, 6893746240, 10340619360, 20681238720]

約数ペア:

[(1, 20681238720), (2, 10340619360), (3, 6893746240), (4, 5170309680), (5, 4136247744), (6, 3446873120), (8, 2585154840), (10, 2068123872), (12, 1723436560), (15, 1378749248), (16, 1292577420), (20, 1034061936), (24, 861718280), (30, 689374624), (32, 646288710), (40, 517030968), (43, 480959040), (48, 430859140), (60, 344687312), (64, 323144355), (73, 283304640), (80, 258515484), (86, 240479520), (96, 215429570), (120, 172343656), (129, 160319680), (146, 141652320), (160, 129257742), (172, 120239760), (192, 107714785), (215, 96191808), (219, 94434880), (240, 86171828), (258, 80159840), (292, 70826160), (320, 64628871), (344, 60119880), (365, 56660928), (430, 48095904), (438, 47217440), (480, 43085914), (516, 40079920), (584, 35413080), (645, 32063936), (688, 30059940), (730, 28330464), (860, 24047952), (876, 23608720), (960, 21542957), (1032, 20039960), (1095, 18886976), (1168, 17706540), (1290, 16031968), (1376, 15029970), (1460, 14165232), (1720, 12023976), (1752, 11804360), (2064, 10019980), (2190, 9443488), (2336, 8853270), (2580, 8015984), (2752, 7514985), (2920, 7082616), (3139, 6588480), (3440, 6011988), (3504, 5902180), (4128, 5009990), (4380, 4721744), (4672, 4426635), (5160, 4007992), (5840, 3541308), (6278, 3294240), (6863, 3013440), (6880, 3005994), (7008, 2951090), (8256, 2504995), (8760, 2360872), (9417, 2196160), (10320, 2003996), (11680, 1770654), (12556, 1647120), (13726, 1506720), (13760, 1502997), (14016, 1475545), (15695, 1317696), (17520, 1180436), (18834, 1098080), (20589, 1004480), (20640, 1001998), (23360, 885327), (25112, 823560), (27452, 753360), (31390, 658848), (34315, 602688), (35040, 590218), (37668, 549040), (41178, 502240), (41280, 500999), (47085, 439232), (50224, 411780), (54904, 376680), (62780, 329424), (68630, 301344), (70080, 295109), (75336, 274520), (82356, 251120), (94170, 219616), (100448, 205890), (102945, 200896), (109808, 188340), (125560, 164712), (137260, 150672)]