20163763515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1\times {\mathrm{8123}}^1$

素因数の和:8688

約数の個数: 64

約数和(自身を含む): 37734875136

約数和(自身を除く): 17571111621

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 503, 705, 987, 1509, 1645, 2515, 3521, 4935, 7545, 8123, 10563, 17605, 23641, 24369, 40615, 52815, 56861, 70923, 118205, 121845, 165487, 170583, 284305, 354615, 381781, 496461, 827435, 852915, 1145343, 1908905, 2482305, 2672467, 4085869, 5726715, 8017401, 12257607, 13362335, 20429345, 28601083, 40087005, 61288035, 85803249, 143005415, 192035843, 429016245, 576107529, 960179215, 1344250901, 2880537645, 4032752703, 6721254505, 20163763515]

約数ペア:

[(1, 20163763515), (3, 6721254505), (5, 4032752703), (7, 2880537645), (15, 1344250901), (21, 960179215), (35, 576107529), (47, 429016245), (105, 192035843), (141, 143005415), (235, 85803249), (329, 61288035), (503, 40087005), (705, 28601083), (987, 20429345), (1509, 13362335), (1645, 12257607), (2515, 8017401), (3521, 5726715), (4935, 4085869), (7545, 2672467), (8123, 2482305), (10563, 1908905), (17605, 1145343), (23641, 852915), (24369, 827435), (40615, 496461), (52815, 381781), (56861, 354615), (70923, 284305), (118205, 170583), (121845, 165487)]