20901068

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2309}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 38290560

約数和(自身を除く): 17389492

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2309, 4526, 4618, 9052, 9236, 71579, 143158, 168557, 286316, 337114, 674228, 5225267, 10450534, 20901068]

約数ペア:

[(1, 20901068), (2, 10450534), (4, 5225267), (31, 674228), (62, 337114), (73, 286316), (124, 168557), (146, 143158), (292, 71579), (2263, 9236), (2309, 9052), (4526, 4618)]