20747444760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{392053}}^1$

素因数の和:392087

約数の個数: 192

約数和(自身を含む): 80449480800

約数和(自身を除く): 59702036040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 8820, 10584, 13230, 17640, 26460, 52920, 392053, 784106, 1176159, 1568212, 1960265, 2352318, 2744371, 3136424, 3528477, 3920530, 4704636, 5488742, 5880795, 7056954, 7841060, 8233113, 9409272, 10585431, 10977484, 11761590, 13721855, 14113908, 15682120, 16466226, 17642385, 19210597, 21170862, 21954968, 23523180, 24699339, 27443710, 28227816, 32932452, 35284770, 38421194, 41165565, 42341724, 47046360, 49398678, 52927155, 54887420, 57631791, 65864904, 70569540, 74098017, 76842388, 82331130, 84683448, 96052985, 98797356, 105854310, 109774840, 115263582, 123496695, 141139080, 148196034, 153684776, 164662260, 172895373, 192105970, 197594712, 211708620, 230527164, 246993390, 288158955, 296392068, 329324520, 345790746, 370490085, 384211940, 423417240, 461054328, 493986780, 518686119, 576317910, 592784136, 691581492, 740980170, 768423880, 864476865, 987973560, 1037372238, 1152635820, 1383162984, 1481960340, 1728953730, 2074744476, 2305271640, 2593430595, 2963920680, 3457907460, 4149488952, 5186861190, 6915814920, 10373722380, 20747444760]

約数ペア:

[(1, 20747444760), (2, 10373722380), (3, 6915814920), (4, 5186861190), (5, 4149488952), (6, 3457907460), (7, 2963920680), (8, 2593430595), (9, 2305271640), (10, 2074744476), (12, 1728953730), (14, 1481960340), (15, 1383162984), (18, 1152635820), (20, 1037372238), (21, 987973560), (24, 864476865), (27, 768423880), (28, 740980170), (30, 691581492), (35, 592784136), (36, 576317910), (40, 518686119), (42, 493986780), (45, 461054328), (49, 423417240), (54, 384211940), (56, 370490085), (60, 345790746), (63, 329324520), (70, 296392068), (72, 288158955), (84, 246993390), (90, 230527164), (98, 211708620), (105, 197594712), (108, 192105970), (120, 172895373), (126, 164662260), (135, 153684776), (140, 148196034), (147, 141139080), (168, 123496695), (180, 115263582), (189, 109774840), (196, 105854310), (210, 98797356), (216, 96052985), (245, 84683448), (252, 82331130), (270, 76842388), (280, 74098017), (294, 70569540), (315, 65864904), (360, 57631791), (378, 54887420), (392, 52927155), (420, 49398678), (441, 47046360), (490, 42341724), (504, 41165565), (540, 38421194), (588, 35284770), (630, 32932452), (735, 28227816), (756, 27443710), (840, 24699339), (882, 23523180), (945, 21954968), (980, 21170862), (1080, 19210597), (1176, 17642385), (1260, 16466226), (1323, 15682120), (1470, 14113908), (1512, 13721855), (1764, 11761590), (1890, 10977484), (1960, 10585431), (2205, 9409272), (2520, 8233113), (2646, 7841060), (2940, 7056954), (3528, 5880795), (3780, 5488742), (4410, 4704636), (5292, 3920530), (5880, 3528477), (6615, 3136424), (7560, 2744371), (8820, 2352318), (10584, 1960265), (13230, 1568212), (17640, 1176159), (26460, 784106), (52920, 392053)]