20609172

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 54862080

約数和(自身を除く): 34252908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 59, 62, 93, 118, 124, 177, 186, 236, 279, 313, 354, 372, 531, 558, 626, 708, 939, 1062, 1116, 1252, 1829, 1878, 2124, 2817, 3658, 3756, 5487, 5634, 7316, 9703, 10974, 11268, 16461, 18467, 19406, 21948, 29109, 32922, 36934, 38812, 55401, 58218, 65844, 73868, 87327, 110802, 116436, 166203, 174654, 221604, 332406, 349308, 572477, 664812, 1144954, 1717431, 2289908, 3434862, 5152293, 6869724, 10304586, 20609172]

約数ペア:

[(1, 20609172), (2, 10304586), (3, 6869724), (4, 5152293), (6, 3434862), (9, 2289908), (12, 1717431), (18, 1144954), (31, 664812), (36, 572477), (59, 349308), (62, 332406), (93, 221604), (118, 174654), (124, 166203), (177, 116436), (186, 110802), (236, 87327), (279, 73868), (313, 65844), (354, 58218), (372, 55401), (531, 38812), (558, 36934), (626, 32922), (708, 29109), (939, 21948), (1062, 19406), (1116, 18467), (1252, 16461), (1829, 11268), (1878, 10974), (2124, 9703), (2817, 7316), (3658, 5634), (3756, 5487)]