20163368380

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6766231}}^1$

素因数の和:6766389

約数の個数: 24

約数和(自身を含む): 42627261600

約数和(自身を除く): 22463893220

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6766231, 13532462, 27064924, 33831155, 67662310, 135324620, 1008168419, 2016336838, 4032673676, 5040842095, 10081684190, 20163368380]

約数ペア:

[(1, 20163368380), (2, 10081684190), (4, 5040842095), (5, 4032673676), (10, 2016336838), (20, 1008168419), (149, 135324620), (298, 67662310), (596, 33831155), (745, 27064924), (1490, 13532462), (2980, 6766231)]