22665620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 49363776

約数和(自身を除く): 26698156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 211, 262, 410, 422, 524, 655, 820, 844, 1055, 1310, 2110, 2620, 4220, 5371, 8651, 10742, 17302, 21484, 26855, 27641, 34604, 43255, 53710, 55282, 86510, 107420, 110564, 138205, 173020, 276410, 552820, 1133281, 2266562, 4533124, 5666405, 11332810, 22665620]

約数ペア:

[(1, 22665620), (2, 11332810), (4, 5666405), (5, 4533124), (10, 2266562), (20, 1133281), (41, 552820), (82, 276410), (131, 173020), (164, 138205), (205, 110564), (211, 107420), (262, 86510), (410, 55282), (422, 53710), (524, 43255), (655, 34604), (820, 27641), (844, 26855), (1055, 21484), (1310, 17302), (2110, 10742), (2620, 8651), (4220, 5371)]