20120221214

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1357823}}^1$

素因数の和:1358095

約数の個数: 16

約数和(自身を含む): 31284264960

約数和(自身を除く): 11164043746

約数列:

[1, 2, 31, 62, 239, 478, 7409, 14818, 1357823, 2715646, 42092513, 84185026, 324519697, 649039394, 10060110607, 20120221214]

約数ペア:

[(1, 20120221214), (2, 10060110607), (31, 649039394), (62, 324519697), (239, 84185026), (478, 42092513), (7409, 2715646), (14818, 1357823)]