20139685790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1\times {\mathrm{5689}}^1$

素因数の和:6297

約数の個数: 64

約数和(自身を含む): 41925012480

約数和(自身を除く): 21785326690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 491, 515, 721, 982, 1030, 1442, 2455, 3437, 3605, 4910, 5689, 6874, 7210, 11378, 17185, 28445, 34370, 39823, 50573, 56890, 79646, 101146, 199115, 252865, 354011, 398230, 505730, 585967, 708022, 1171934, 1770055, 2793299, 2929835, 3540110, 4101769, 5586598, 5859670, 8203538, 13966495, 19553093, 20508845, 27932990, 39106186, 41017690, 97765465, 195530930, 287709797, 575419594, 1438548985, 2013968579, 2877097970, 4027937158, 10069842895, 20139685790]

約数ペア:

[(1, 20139685790), (2, 10069842895), (5, 4027937158), (7, 2877097970), (10, 2013968579), (14, 1438548985), (35, 575419594), (70, 287709797), (103, 195530930), (206, 97765465), (491, 41017690), (515, 39106186), (721, 27932990), (982, 20508845), (1030, 19553093), (1442, 13966495), (2455, 8203538), (3437, 5859670), (3605, 5586598), (4910, 4101769), (5689, 3540110), (6874, 2929835), (7210, 2793299), (11378, 1770055), (17185, 1171934), (28445, 708022), (34370, 585967), (39823, 505730), (50573, 398230), (56890, 354011), (79646, 252865), (101146, 199115)]