20121278576

素因数分解:

$2^4\times 7^1\times {\mathrm{179654273}}^1$

素因数の和:179654288

約数の個数: 20

約数和(自身を含む): 44554259952

約数和(自身を除く): 24432981376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179654273, 359308546, 718617092, 1257579911, 1437234184, 2515159822, 2874468368, 5030319644, 10060639288, 20121278576]

約数ペア:

[(1, 20121278576), (2, 10060639288), (4, 5030319644), (7, 2874468368), (8, 2515159822), (14, 1437234184), (16, 1257579911), (28, 718617092), (56, 359308546), (112, 179654273)]