20223625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 27675648

約数和(自身を除く): 7452023

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 307, 425, 527, 775, 1535, 2125, 2635, 3875, 5219, 7675, 9517, 13175, 26095, 38375, 47585, 65875, 130475, 161789, 237925, 652375, 808945, 1189625, 4044725, 20223625]

約数ペア:

[(1, 20223625), (5, 4044725), (17, 1189625), (25, 808945), (31, 652375), (85, 237925), (125, 161789), (155, 130475), (307, 65875), (425, 47585), (527, 38375), (775, 26095), (1535, 13175), (2125, 9517), (2635, 7675), (3875, 5219)]