2020457901

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{557}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 3455778816

約数和(自身を除く): 1435320915

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 383, 451, 557, 861, 1149, 1353, 1671, 2681, 3157, 3899, 4213, 6127, 8043, 9471, 11697, 12639, 15703, 18381, 22837, 29491, 42889, 47109, 68511, 88473, 109921, 128667, 159859, 172733, 213331, 251207, 329763, 479577, 518199, 639993, 753621, 1209131, 1493317, 1758449, 2346641, 3627393, 4479951, 5275347, 7039923, 8746571, 16426487, 26239713, 49279461, 61225997, 96212281, 183677991, 288636843, 673485967, 2020457901]

約数ペア:

[(1, 2020457901), (3, 673485967), (7, 288636843), (11, 183677991), (21, 96212281), (33, 61225997), (41, 49279461), (77, 26239713), (123, 16426487), (231, 8746571), (287, 7039923), (383, 5275347), (451, 4479951), (557, 3627393), (861, 2346641), (1149, 1758449), (1353, 1493317), (1671, 1209131), (2681, 753621), (3157, 639993), (3899, 518199), (4213, 479577), (6127, 329763), (8043, 251207), (9471, 213331), (11697, 172733), (12639, 159859), (15703, 128667), (18381, 109921), (22837, 88473), (29491, 68511), (42889, 47109)]