20235401420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{568091}}^1$

素因数の和:568250

約数の個数: 48

約数和(自身を含む): 46097257248

約数和(自身を除く): 25861855828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17810, 35620, 568091, 1136182, 2272364, 2840455, 5680910, 7385183, 11361820, 14770366, 29540732, 36925915, 73851830, 77828467, 147703660, 155656934, 311313868, 389142335, 778284670, 1011770071, 1556569340, 2023540142, 4047080284, 5058850355, 10117700710, 20235401420]

約数ペア:

[(1, 20235401420), (2, 10117700710), (4, 5058850355), (5, 4047080284), (10, 2023540142), (13, 1556569340), (20, 1011770071), (26, 778284670), (52, 389142335), (65, 311313868), (130, 155656934), (137, 147703660), (260, 77828467), (274, 73851830), (548, 36925915), (685, 29540732), (1370, 14770366), (1781, 11361820), (2740, 7385183), (3562, 5680910), (7124, 2840455), (8905, 2272364), (17810, 1136182), (35620, 568091)]