20738250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:745

約数の個数: 96

約数和(自身を含む): 60474960

約数和(自身を除く): 39736710

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 195, 225, 234, 250, 325, 375, 390, 450, 585, 650, 709, 750, 975, 1125, 1170, 1418, 1625, 1950, 2127, 2250, 2925, 3250, 3545, 4254, 4875, 5850, 6381, 7090, 9217, 9750, 10635, 12762, 14625, 17725, 18434, 21270, 27651, 29250, 31905, 35450, 46085, 53175, 55302, 63810, 82953, 88625, 92170, 106350, 138255, 159525, 165906, 177250, 230425, 265875, 276510, 319050, 414765, 460850, 531750, 691275, 797625, 829530, 1152125, 1382550, 1595250, 2073825, 2304250, 3456375, 4147650, 6912750, 10369125, 20738250]

約数ペア:

[(1, 20738250), (2, 10369125), (3, 6912750), (5, 4147650), (6, 3456375), (9, 2304250), (10, 2073825), (13, 1595250), (15, 1382550), (18, 1152125), (25, 829530), (26, 797625), (30, 691275), (39, 531750), (45, 460850), (50, 414765), (65, 319050), (75, 276510), (78, 265875), (90, 230425), (117, 177250), (125, 165906), (130, 159525), (150, 138255), (195, 106350), (225, 92170), (234, 88625), (250, 82953), (325, 63810), (375, 55302), (390, 53175), (450, 46085), (585, 35450), (650, 31905), (709, 29250), (750, 27651), (975, 21270), (1125, 18434), (1170, 17725), (1418, 14625), (1625, 12762), (1950, 10635), (2127, 9750), (2250, 9217), (2925, 7090), (3250, 6381), (3545, 5850), (4254, 4875)]