20901512

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{13679}}^1$

素因数の和:13876

約数の個数: 16

約数和(自身を含む): 39398400

約数和(自身を除く): 18496888

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 13679, 27358, 54716, 109432, 2612689, 5225378, 10450756, 20901512]

約数ペア:

[(1, 20901512), (2, 10450756), (4, 5225378), (8, 2612689), (191, 109432), (382, 54716), (764, 27358), (1528, 13679)]