20443984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116159}}^1$

素因数の和:116178

約数の個数: 20

約数和(自身を含む): 43211520

約数和(自身を除く): 22767536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116159, 232318, 464636, 929272, 1277749, 1858544, 2555498, 5110996, 10221992, 20443984]

約数ペア:

[(1, 20443984), (2, 10221992), (4, 5110996), (8, 2555498), (11, 1858544), (16, 1277749), (22, 929272), (44, 464636), (88, 232318), (176, 116159)]