20552948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4547

約数の個数: 24

約数和(自身を含む): 39178440

約数和(自身を除く): 18625492

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4441, 4628, 8882, 17764, 57733, 115466, 230932, 395249, 790498, 1580996, 5138237, 10276474, 20552948]

約数ペア:

[(1, 20552948), (2, 10276474), (4, 5138237), (13, 1580996), (26, 790498), (52, 395249), (89, 230932), (178, 115466), (356, 57733), (1157, 17764), (2314, 8882), (4441, 4628)]