20590136528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{607307}}^1$

素因数の和:607491

約数の個数: 40

約数和(自身を含む): 43225754208

約数和(自身を除く): 22635617680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 1304, 2119, 2608, 4238, 8476, 16952, 33904, 607307, 1214614, 2429228, 4858456, 7894991, 9716912, 15789982, 31579964, 63159928, 98991041, 126319856, 197982082, 395964164, 791928328, 1286883533, 1583856656, 2573767066, 5147534132, 10295068264, 20590136528]

約数ペア:

[(1, 20590136528), (2, 10295068264), (4, 5147534132), (8, 2573767066), (13, 1583856656), (16, 1286883533), (26, 791928328), (52, 395964164), (104, 197982082), (163, 126319856), (208, 98991041), (326, 63159928), (652, 31579964), (1304, 15789982), (2119, 9716912), (2608, 7894991), (4238, 4858456), (8476, 2429228), (16952, 1214614), (33904, 607307)]