20491884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 59623200

約数和(自身を除く): 39131316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 233, 252, 349, 466, 698, 699, 932, 1047, 1396, 1398, 1631, 2094, 2097, 2443, 2796, 3141, 3262, 4188, 4194, 4886, 4893, 6282, 6524, 7329, 8388, 9772, 9786, 12564, 14658, 14679, 19572, 21987, 29316, 29358, 43974, 58716, 81317, 87948, 162634, 243951, 325268, 487902, 569219, 731853, 975804, 1138438, 1463706, 1707657, 2276876, 2927412, 3415314, 5122971, 6830628, 10245942, 20491884]

約数ペア:

[(1, 20491884), (2, 10245942), (3, 6830628), (4, 5122971), (6, 3415314), (7, 2927412), (9, 2276876), (12, 1707657), (14, 1463706), (18, 1138438), (21, 975804), (28, 731853), (36, 569219), (42, 487902), (63, 325268), (84, 243951), (126, 162634), (233, 87948), (252, 81317), (349, 58716), (466, 43974), (698, 29358), (699, 29316), (932, 21987), (1047, 19572), (1396, 14679), (1398, 14658), (1631, 12564), (2094, 9786), (2097, 9772), (2443, 8388), (2796, 7329), (3141, 6524), (3262, 6282), (4188, 4893), (4194, 4886)]