20171945873105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1423}}^1\times {\mathrm{447817}}^1$

素因数の和:449745

約数の個数: 32

約数和(自身を含む): 26140304569344

約数和(自身を除く): 5968358696239

約数列:

[1, 5, 13, 65, 487, 1423, 2435, 6331, 7115, 18499, 31655, 92495, 447817, 693001, 2239085, 3465005, 5821621, 9009013, 29108105, 45045065, 218086879, 637243591, 1090434395, 2835129427, 3186217955, 8284166683, 14175647135, 41420833415, 310337628817, 1551688144085, 4034389174621, 20171945873105]

約数ペア:

[(1, 20171945873105), (5, 4034389174621), (13, 1551688144085), (65, 310337628817), (487, 41420833415), (1423, 14175647135), (2435, 8284166683), (6331, 3186217955), (7115, 2835129427), (18499, 1090434395), (31655, 637243591), (92495, 218086879), (447817, 45045065), (693001, 29108105), (2239085, 9009013), (3465005, 5821621)]