20172503547

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{54539}}^1$

素因数の和:54677

約数の個数: 64

約数和(自身を含む): 36301824000

約数和(自身を除く): 16129320453

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 103, 133, 171, 189, 309, 399, 513, 721, 927, 1197, 1957, 2163, 2781, 3591, 5871, 6489, 13699, 17613, 19467, 41097, 52839, 54539, 123291, 163617, 369873, 381773, 490851, 1036241, 1145319, 1472553, 3108723, 3435957, 5617517, 7253687, 9326169, 10307871, 16852551, 21761061, 27978507, 39322619, 50557653, 65283183, 106732823, 117967857, 151672959, 195849549, 320198469, 353903571, 747129761, 960595407, 1061710713, 2241389283, 2881786221, 6724167849, 20172503547]

約数ペア:

[(1, 20172503547), (3, 6724167849), (7, 2881786221), (9, 2241389283), (19, 1061710713), (21, 960595407), (27, 747129761), (57, 353903571), (63, 320198469), (103, 195849549), (133, 151672959), (171, 117967857), (189, 106732823), (309, 65283183), (399, 50557653), (513, 39322619), (721, 27978507), (927, 21761061), (1197, 16852551), (1957, 10307871), (2163, 9326169), (2781, 7253687), (3591, 5617517), (5871, 3435957), (6489, 3108723), (13699, 1472553), (17613, 1145319), (19467, 1036241), (41097, 490851), (52839, 381773), (54539, 369873), (123291, 163617)]