20078192

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 40

約数和(自身を含む): 40330752

約数和(自身を除く): 20252560

約数列:

[1, 2, 4, 8, 16, 41, 82, 127, 164, 241, 254, 328, 482, 508, 656, 964, 1016, 1928, 2032, 3856, 5207, 9881, 10414, 19762, 20828, 30607, 39524, 41656, 61214, 79048, 83312, 122428, 158096, 244856, 489712, 1254887, 2509774, 5019548, 10039096, 20078192]

約数ペア:

[(1, 20078192), (2, 10039096), (4, 5019548), (8, 2509774), (16, 1254887), (41, 489712), (82, 244856), (127, 158096), (164, 122428), (241, 83312), (254, 79048), (328, 61214), (482, 41656), (508, 39524), (656, 30607), (964, 20828), (1016, 19762), (1928, 10414), (2032, 9881), (3856, 5207)]