20119486544

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{727}}^1\times {\mathrm{42187}}^1$

素因数の和:42963

約数の個数: 40

約数和(自身を含む): 39988148928

約数和(自身を除く): 19868662384

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 727, 1454, 2908, 5816, 11632, 29807, 42187, 59614, 84374, 119228, 168748, 238456, 337496, 476912, 674992, 1729667, 3459334, 6918668, 13837336, 27674672, 30669949, 61339898, 122679796, 245359592, 490719184, 1257467909, 2514935818, 5029871636, 10059743272, 20119486544]

約数ペア:

[(1, 20119486544), (2, 10059743272), (4, 5029871636), (8, 2514935818), (16, 1257467909), (41, 490719184), (82, 245359592), (164, 122679796), (328, 61339898), (656, 30669949), (727, 27674672), (1454, 13837336), (2908, 6918668), (5816, 3459334), (11632, 1729667), (29807, 674992), (42187, 476912), (59614, 337496), (84374, 238456), (119228, 168748)]