20860564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2207}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 18088556

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2207, 2363, 4414, 4726, 8828, 9452, 37519, 75038, 150076, 306773, 613546, 1227092, 5215141, 10430282, 20860564]

約数ペア:

[(1, 20860564), (2, 10430282), (4, 5215141), (17, 1227092), (34, 613546), (68, 306773), (139, 150076), (278, 75038), (556, 37519), (2207, 9452), (2363, 8828), (4414, 4726)]