20536700825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1\times {\mathrm{2063}}^1$

素因数の和:2546

約数の個数: 48

約数和(自身を含む): 27502882560

約数和(自身を除く): 6966181735

約数列:

[1, 5, 17, 25, 59, 85, 295, 397, 425, 1003, 1475, 1985, 2063, 5015, 6749, 9925, 10315, 23423, 25075, 33745, 35071, 51575, 117115, 121717, 168725, 175355, 398191, 585575, 608585, 819011, 876775, 1990955, 2069189, 3042925, 4095055, 9954775, 10345945, 13923187, 20475275, 48321649, 51729725, 69615935, 241608245, 348079675, 821468033, 1208041225, 4107340165, 20536700825]

約数ペア:

[(1, 20536700825), (5, 4107340165), (17, 1208041225), (25, 821468033), (59, 348079675), (85, 241608245), (295, 69615935), (397, 51729725), (425, 48321649), (1003, 20475275), (1475, 13923187), (1985, 10345945), (2063, 9954775), (5015, 4095055), (6749, 3042925), (9925, 2069189), (10315, 1990955), (23423, 876775), (25075, 819011), (33745, 608585), (35071, 585575), (51575, 398191), (117115, 175355), (121717, 168725)]