20122072061

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 25426738176

約数和(自身を除く): 5304666115

約数列:

[1, 7, 13, 53, 91, 223, 353, 371, 689, 1561, 2471, 2809, 2899, 4589, 4823, 11819, 18709, 19663, 20293, 32123, 36517, 78719, 82733, 130963, 153647, 243217, 255619, 551033, 626407, 991577, 1023347, 1075529, 1702519, 4172107, 4384849, 6941039, 7163429, 8143291, 12890501, 29204749, 54237391, 57003037, 90233507, 221121671, 379661737, 1547851697, 2874581723, 20122072061]

約数ペア:

[(1, 20122072061), (7, 2874581723), (13, 1547851697), (53, 379661737), (91, 221121671), (223, 90233507), (353, 57003037), (371, 54237391), (689, 29204749), (1561, 12890501), (2471, 8143291), (2809, 7163429), (2899, 6941039), (4589, 4384849), (4823, 4172107), (11819, 1702519), (18709, 1075529), (19663, 1023347), (20293, 991577), (32123, 626407), (36517, 551033), (78719, 255619), (82733, 243217), (130963, 153647)]