20265648

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 57662976

約数和(自身を除く): 37397328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 564, 611, 624, 691, 752, 1128, 1222, 1382, 1833, 2073, 2256, 2444, 2764, 3666, 4146, 4888, 5528, 7332, 8292, 8983, 9776, 11056, 14664, 16584, 17966, 26949, 29328, 32477, 33168, 35932, 53898, 64954, 71864, 97431, 107796, 129908, 143728, 194862, 215592, 259816, 389724, 422201, 431184, 519632, 779448, 844402, 1266603, 1558896, 1688804, 2533206, 3377608, 5066412, 6755216, 10132824, 20265648]

約数ペア:

[(1, 20265648), (2, 10132824), (3, 6755216), (4, 5066412), (6, 3377608), (8, 2533206), (12, 1688804), (13, 1558896), (16, 1266603), (24, 844402), (26, 779448), (39, 519632), (47, 431184), (48, 422201), (52, 389724), (78, 259816), (94, 215592), (104, 194862), (141, 143728), (156, 129908), (188, 107796), (208, 97431), (282, 71864), (312, 64954), (376, 53898), (564, 35932), (611, 33168), (624, 32477), (691, 29328), (752, 26949), (1128, 17966), (1222, 16584), (1382, 14664), (1833, 11056), (2073, 9776), (2256, 8983), (2444, 8292), (2764, 7332), (3666, 5528), (4146, 4888)]