20590955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 31242240

約数和(自身を除く): 10651285

約数列:

[1, 5, 7, 11, 35, 55, 77, 79, 385, 395, 553, 677, 869, 2765, 3385, 4345, 4739, 6083, 7447, 23695, 30415, 37235, 52129, 53483, 260645, 267415, 374381, 588313, 1871905, 2941565, 4118191, 20590955]

約数ペア:

[(1, 20590955), (5, 4118191), (7, 2941565), (11, 1871905), (35, 588313), (55, 374381), (77, 267415), (79, 260645), (385, 53483), (395, 52129), (553, 37235), (677, 30415), (869, 23695), (2765, 7447), (3385, 6083), (4345, 4739)]