20179945388

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{1601}}^1\times {\mathrm{20071}}^1$

素因数の和:21833

約数の個数: 24

約数和(自身を含む): 35563810464

約数和(自身を除く): 15383865076

約数列:

[1, 2, 4, 157, 314, 628, 1601, 3202, 6404, 20071, 40142, 80284, 251357, 502714, 1005428, 3151147, 6302294, 12604588, 32133671, 64267342, 128534684, 5044986347, 10089972694, 20179945388]

約数ペア:

[(1, 20179945388), (2, 10089972694), (4, 5044986347), (157, 128534684), (314, 64267342), (628, 32133671), (1601, 12604588), (3202, 6302294), (6404, 3151147), (20071, 1005428), (40142, 502714), (80284, 251357)]