20151188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4423}}^1$

素因数の和:4511

約数の個数: 24

約数和(自身を含む): 37904832

約数和(自身を除く): 17753644

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4423, 4556, 8846, 17692, 75191, 150382, 296341, 300764, 592682, 1185364, 5037797, 10075594, 20151188]

約数ペア:

[(1, 20151188), (2, 10075594), (4, 5037797), (17, 1185364), (34, 592682), (67, 300764), (68, 296341), (134, 150382), (268, 75191), (1139, 17692), (2278, 8846), (4423, 4556)]