20217695738

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1\times {\mathrm{5413}}^1$

素因数の和:6422

約数の個数: 32

約数和(自身を含む): 31855109760

約数和(自身を除く): 11637414022

約数列:

[1, 2, 29, 58, 71, 142, 907, 1814, 2059, 4118, 5413, 10826, 26303, 52606, 64397, 128794, 156977, 313954, 384323, 768646, 1867513, 3735026, 4909591, 9819182, 11145367, 22290734, 142378139, 284756278, 348580961, 697161922, 10108847869, 20217695738]

約数ペア:

[(1, 20217695738), (2, 10108847869), (29, 697161922), (58, 348580961), (71, 284756278), (142, 142378139), (907, 22290734), (1814, 11145367), (2059, 9819182), (4118, 4909591), (5413, 3735026), (10826, 1867513), (26303, 768646), (52606, 384323), (64397, 313954), (128794, 156977)]