20431664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{116089}}^1$

素因数の和:116108

約数の個数: 20

約数和(自身を含む): 43185480

約数和(自身を除く): 22753816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 116089, 232178, 464356, 928712, 1276979, 1857424, 2553958, 5107916, 10215832, 20431664]

約数ペア:

[(1, 20431664), (2, 10215832), (4, 5107916), (8, 2553958), (11, 1857424), (16, 1276979), (22, 928712), (44, 464356), (88, 232178), (176, 116089)]