20120840176

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11537179}}^1$

素因数の和:11537296

約数の個数: 20

約数和(自身を含む): 39341783800

約数和(自身を除く): 19220943624

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11537179, 23074358, 46148716, 92297432, 184594864, 1257552511, 2515105022, 5030210044, 10060420088, 20120840176]

約数ペア:

[(1, 20120840176), (2, 10060420088), (4, 5030210044), (8, 2515105022), (16, 1257552511), (109, 184594864), (218, 92297432), (436, 46148716), (872, 23074358), (1744, 11537179)]