20000700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 108

約数和(自身を含む): 63777168

約数和(自身を除く): 43776468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 213, 225, 284, 300, 313, 355, 426, 450, 626, 639, 710, 852, 900, 939, 1065, 1252, 1278, 1420, 1565, 1775, 1878, 2130, 2556, 2817, 3130, 3195, 3550, 3756, 4260, 4695, 5325, 5634, 6260, 6390, 7100, 7825, 9390, 10650, 11268, 12780, 14085, 15650, 15975, 18780, 21300, 22223, 23475, 28170, 31300, 31950, 44446, 46950, 56340, 63900, 66669, 70425, 88892, 93900, 111115, 133338, 140850, 200007, 222230, 266676, 281700, 333345, 400014, 444460, 555575, 666690, 800028, 1000035, 1111150, 1333380, 1666725, 2000070, 2222300, 3333450, 4000140, 5000175, 6666900, 10000350, 20000700]

約数ペア:

[(1, 20000700), (2, 10000350), (3, 6666900), (4, 5000175), (5, 4000140), (6, 3333450), (9, 2222300), (10, 2000070), (12, 1666725), (15, 1333380), (18, 1111150), (20, 1000035), (25, 800028), (30, 666690), (36, 555575), (45, 444460), (50, 400014), (60, 333345), (71, 281700), (75, 266676), (90, 222230), (100, 200007), (142, 140850), (150, 133338), (180, 111115), (213, 93900), (225, 88892), (284, 70425), (300, 66669), (313, 63900), (355, 56340), (426, 46950), (450, 44446), (626, 31950), (639, 31300), (710, 28170), (852, 23475), (900, 22223), (939, 21300), (1065, 18780), (1252, 15975), (1278, 15650), (1420, 14085), (1565, 12780), (1775, 11268), (1878, 10650), (2130, 9390), (2556, 7825), (2817, 7100), (3130, 6390), (3195, 6260), (3550, 5634), (3756, 5325), (4260, 4695)]