20540624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 46903248

約数和(自身を除く): 26362624

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 157, 208, 221, 272, 296, 314, 442, 481, 592, 628, 629, 884, 962, 1256, 1258, 1768, 1924, 2041, 2512, 2516, 2669, 3536, 3848, 4082, 5032, 5338, 5809, 7696, 8164, 8177, 10064, 10676, 11618, 16328, 16354, 21352, 23236, 32656, 32708, 34697, 42704, 46472, 65416, 69394, 75517, 92944, 98753, 130832, 138788, 151034, 197506, 277576, 302068, 395012, 555152, 604136, 790024, 1208272, 1283789, 1580048, 2567578, 5135156, 10270312, 20540624]

約数ペア:

[(1, 20540624), (2, 10270312), (4, 5135156), (8, 2567578), (13, 1580048), (16, 1283789), (17, 1208272), (26, 790024), (34, 604136), (37, 555152), (52, 395012), (68, 302068), (74, 277576), (104, 197506), (136, 151034), (148, 138788), (157, 130832), (208, 98753), (221, 92944), (272, 75517), (296, 69394), (314, 65416), (442, 46472), (481, 42704), (592, 34697), (628, 32708), (629, 32656), (884, 23236), (962, 21352), (1256, 16354), (1258, 16328), (1768, 11618), (1924, 10676), (2041, 10064), (2512, 8177), (2516, 8164), (2669, 7696), (3536, 5809), (3848, 5338), (4082, 5032)]