20797254530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6823}}^1\times {\mathrm{23447}}^1$

素因数の和:30290

約数の個数: 32

約数和(自身を含む): 40322306304

約数和(自身を除く): 19525051774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6823, 13646, 23447, 34115, 46894, 68230, 88699, 117235, 177398, 234470, 304811, 443495, 609622, 886990, 1524055, 3048110, 159978881, 319957762, 799894405, 1599788810, 2079725453, 4159450906, 10398627265, 20797254530]

約数ペア:

[(1, 20797254530), (2, 10398627265), (5, 4159450906), (10, 2079725453), (13, 1599788810), (26, 799894405), (65, 319957762), (130, 159978881), (6823, 3048110), (13646, 1524055), (23447, 886990), (34115, 609622), (46894, 443495), (68230, 304811), (88699, 234470), (117235, 177398)]