20913816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11317}}^1$

素因数の和:11344

約数の個数: 64

約数和(自身を含む): 65191680

約数和(自身を除く): 44277864

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11317, 22634, 33951, 45268, 67902, 79219, 90536, 124487, 135804, 158438, 237657, 248974, 271608, 316876, 373461, 475314, 497948, 633752, 746922, 871409, 950628, 995896, 1493844, 1742818, 1901256, 2614227, 2987688, 3485636, 5228454, 6971272, 10456908, 20913816]

約数ペア:

[(1, 20913816), (2, 10456908), (3, 6971272), (4, 5228454), (6, 3485636), (7, 2987688), (8, 2614227), (11, 1901256), (12, 1742818), (14, 1493844), (21, 995896), (22, 950628), (24, 871409), (28, 746922), (33, 633752), (42, 497948), (44, 475314), (56, 373461), (66, 316876), (77, 271608), (84, 248974), (88, 237657), (132, 158438), (154, 135804), (168, 124487), (231, 90536), (264, 79219), (308, 67902), (462, 45268), (616, 33951), (924, 22634), (1848, 11317)]