20320544

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 21410656

約数列:

[1, 2, 4, 8, 16, 32, 47, 59, 94, 118, 188, 229, 236, 376, 458, 472, 752, 916, 944, 1504, 1832, 1888, 2773, 3664, 5546, 7328, 10763, 11092, 13511, 21526, 22184, 27022, 43052, 44368, 54044, 86104, 88736, 108088, 172208, 216176, 344416, 432352, 635017, 1270034, 2540068, 5080136, 10160272, 20320544]

約数ペア:

[(1, 20320544), (2, 10160272), (4, 5080136), (8, 2540068), (16, 1270034), (32, 635017), (47, 432352), (59, 344416), (94, 216176), (118, 172208), (188, 108088), (229, 88736), (236, 86104), (376, 54044), (458, 44368), (472, 43052), (752, 27022), (916, 22184), (944, 21526), (1504, 13511), (1832, 11092), (1888, 10763), (2773, 7328), (3664, 5546)]