20125872

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 90

約数和(自身を含む): 61064172

約数和(自身を除く): 40938300

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 827, 936, 1014, 1352, 1521, 1654, 1872, 2028, 2481, 2704, 3042, 3308, 4056, 4962, 6084, 6616, 7443, 8112, 9924, 10751, 12168, 13232, 14886, 19848, 21502, 24336, 29772, 32253, 39696, 43004, 59544, 64506, 86008, 96759, 119088, 129012, 139763, 172016, 193518, 258024, 279526, 387036, 419289, 516048, 559052, 774072, 838578, 1118104, 1257867, 1548144, 1677156, 2236208, 2515734, 3354312, 5031468, 6708624, 10062936, 20125872]

約数ペア:

[(1, 20125872), (2, 10062936), (3, 6708624), (4, 5031468), (6, 3354312), (8, 2515734), (9, 2236208), (12, 1677156), (13, 1548144), (16, 1257867), (18, 1118104), (24, 838578), (26, 774072), (36, 559052), (39, 516048), (48, 419289), (52, 387036), (72, 279526), (78, 258024), (104, 193518), (117, 172016), (144, 139763), (156, 129012), (169, 119088), (208, 96759), (234, 86008), (312, 64506), (338, 59544), (468, 43004), (507, 39696), (624, 32253), (676, 29772), (827, 24336), (936, 21502), (1014, 19848), (1352, 14886), (1521, 13232), (1654, 12168), (1872, 10751), (2028, 9924), (2481, 8112), (2704, 7443), (3042, 6616), (3308, 6084), (4056, 4962)]