20813590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10253}}^1$

素因数の和:10296

約数の個数: 32

約数和(自身を含む): 44297280

約数和(自身を除く): 23483690

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10253, 20506, 51265, 71771, 102530, 143542, 297337, 358855, 594674, 717710, 1486685, 2081359, 2973370, 4162718, 10406795, 20813590]

約数ペア:

[(1, 20813590), (2, 10406795), (5, 4162718), (7, 2973370), (10, 2081359), (14, 1486685), (29, 717710), (35, 594674), (58, 358855), (70, 297337), (145, 143542), (203, 102530), (290, 71771), (406, 51265), (1015, 20506), (2030, 10253)]