20458243204

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1\times {\mathrm{17491}}^1$

素因数の和:18668

約数の個数: 48

約数和(自身を含む): 42061962880

約数和(自身を除く): 21603719676

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1129, 2258, 4516, 7903, 15806, 17491, 31612, 34982, 41773, 69964, 83546, 122437, 167092, 244874, 292411, 489748, 584822, 647167, 1169644, 1294334, 2588668, 4530169, 9060338, 18120676, 19747339, 39494678, 78989356, 138231373, 276462746, 552925492, 730651543, 1461303086, 2922606172, 5114560801, 10229121602, 20458243204]

約数ペア:

[(1, 20458243204), (2, 10229121602), (4, 5114560801), (7, 2922606172), (14, 1461303086), (28, 730651543), (37, 552925492), (74, 276462746), (148, 138231373), (259, 78989356), (518, 39494678), (1036, 19747339), (1129, 18120676), (2258, 9060338), (4516, 4530169), (7903, 2588668), (15806, 1294334), (17491, 1169644), (31612, 647167), (34982, 584822), (41773, 489748), (69964, 292411), (83546, 244874), (122437, 167092)]