20120488

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81131}}^1$

素因数の和:81168

約数の個数: 16

約数和(自身を含む): 38943360

約数和(自身を除く): 18822872

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81131, 162262, 324524, 649048, 2515061, 5030122, 10060244, 20120488]

約数ペア:

[(1, 20120488), (2, 10060244), (4, 5030122), (8, 2515061), (31, 649048), (62, 324524), (124, 162262), (248, 81131)]