20293686

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1506

約数の個数: 64

約数和(自身を含む): 52968960

約数和(自身を除く): 32675274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 222, 259, 333, 378, 518, 666, 777, 999, 1451, 1554, 1998, 2331, 2902, 4353, 4662, 6993, 8706, 10157, 13059, 13986, 20314, 26118, 30471, 39177, 53687, 60942, 78354, 91413, 107374, 161061, 182826, 274239, 322122, 375809, 483183, 548478, 751618, 966366, 1127427, 1449549, 2254854, 2899098, 3382281, 6764562, 10146843, 20293686]

約数ペア:

[(1, 20293686), (2, 10146843), (3, 6764562), (6, 3382281), (7, 2899098), (9, 2254854), (14, 1449549), (18, 1127427), (21, 966366), (27, 751618), (37, 548478), (42, 483183), (54, 375809), (63, 322122), (74, 274239), (111, 182826), (126, 161061), (189, 107374), (222, 91413), (259, 78354), (333, 60942), (378, 53687), (518, 39177), (666, 30471), (777, 26118), (999, 20314), (1451, 13986), (1554, 13059), (1998, 10157), (2331, 8706), (2902, 6993), (4353, 4662)]