20844581520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{15299}}^1$

素因数の和:16133

約数の個数: 160

約数和(自身を含む): 73945267200

約数和(自身を除く): 53100685680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 811, 840, 1622, 1680, 2433, 3244, 4055, 4866, 5677, 6488, 8110, 9732, 11354, 12165, 12976, 15299, 16220, 17031, 19464, 22708, 24330, 28385, 30598, 32440, 34062, 38928, 45416, 45897, 48660, 56770, 61196, 64880, 68124, 76495, 85155, 90832, 91794, 97320, 107093, 113540, 122392, 136248, 152990, 170310, 183588, 194640, 214186, 227080, 229485, 244784, 272496, 305980, 321279, 340620, 367176, 428372, 454160, 458970, 535465, 611960, 642558, 681240, 734352, 856744, 917940, 1070930, 1223920, 1285116, 1362480, 1606395, 1713488, 1835880, 2141860, 2570232, 3212790, 3671760, 4283720, 5140464, 6425580, 8567440, 12407489, 12851160, 24814978, 25702320, 37222467, 49629956, 62037445, 74444934, 86852423, 99259912, 124074890, 148889868, 173704846, 186112335, 198519824, 248149780, 260557269, 297779736, 347409692, 372224670, 434262115, 496299560, 521114538, 595559472, 694819384, 744449340, 868524230, 992599120, 1042229076, 1302786345, 1389638768, 1488898680, 1737048460, 2084458152, 2605572690, 2977797360, 3474096920, 4168916304, 5211145380, 6948193840, 10422290760, 20844581520]

約数ペア:

[(1, 20844581520), (2, 10422290760), (3, 6948193840), (4, 5211145380), (5, 4168916304), (6, 3474096920), (7, 2977797360), (8, 2605572690), (10, 2084458152), (12, 1737048460), (14, 1488898680), (15, 1389638768), (16, 1302786345), (20, 1042229076), (21, 992599120), (24, 868524230), (28, 744449340), (30, 694819384), (35, 595559472), (40, 521114538), (42, 496299560), (48, 434262115), (56, 372224670), (60, 347409692), (70, 297779736), (80, 260557269), (84, 248149780), (105, 198519824), (112, 186112335), (120, 173704846), (140, 148889868), (168, 124074890), (210, 99259912), (240, 86852423), (280, 74444934), (336, 62037445), (420, 49629956), (560, 37222467), (811, 25702320), (840, 24814978), (1622, 12851160), (1680, 12407489), (2433, 8567440), (3244, 6425580), (4055, 5140464), (4866, 4283720), (5677, 3671760), (6488, 3212790), (8110, 2570232), (9732, 2141860), (11354, 1835880), (12165, 1713488), (12976, 1606395), (15299, 1362480), (16220, 1285116), (17031, 1223920), (19464, 1070930), (22708, 917940), (24330, 856744), (28385, 734352), (30598, 681240), (32440, 642558), (34062, 611960), (38928, 535465), (45416, 458970), (45897, 454160), (48660, 428372), (56770, 367176), (61196, 340620), (64880, 321279), (68124, 305980), (76495, 272496), (85155, 244784), (90832, 229485), (91794, 227080), (97320, 214186), (107093, 194640), (113540, 183588), (122392, 170310), (136248, 152990)]