20400248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{231821}}^1$

素因数の和:231838

約数の個数: 16

約数和(自身を含む): 41727960

約数和(自身を除く): 21327712

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 231821, 463642, 927284, 1854568, 2550031, 5100062, 10200124, 20400248]

約数ペア:

[(1, 20400248), (2, 10200124), (4, 5100062), (8, 2550031), (11, 1854568), (22, 927284), (44, 463642), (88, 231821)]