20365016

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11731}}^1$

素因数の和:11775

約数の個数: 32

約数和(自身を含む): 45050880

約数和(自身を除く): 24685864

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11731, 23462, 46924, 82117, 93848, 164234, 328468, 363661, 656936, 727322, 1454644, 2545627, 2909288, 5091254, 10182508, 20365016]

約数ペア:

[(1, 20365016), (2, 10182508), (4, 5091254), (7, 2909288), (8, 2545627), (14, 1454644), (28, 727322), (31, 656936), (56, 363661), (62, 328468), (124, 164234), (217, 93848), (248, 82117), (434, 46924), (868, 23462), (1736, 11731)]