20233850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4479

約数の個数: 48

約数和(自身を含む): 46330368

約数和(自身を除く): 26096518

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4447, 4550, 8894, 22235, 31129, 44470, 57811, 62258, 111175, 115622, 155645, 222350, 289055, 311290, 404677, 578110, 778225, 809354, 1445275, 1556450, 2023385, 2890550, 4046770, 10116925, 20233850]

約数ペア:

[(1, 20233850), (2, 10116925), (5, 4046770), (7, 2890550), (10, 2023385), (13, 1556450), (14, 1445275), (25, 809354), (26, 778225), (35, 578110), (50, 404677), (65, 311290), (70, 289055), (91, 222350), (130, 155645), (175, 115622), (182, 111175), (325, 62258), (350, 57811), (455, 44470), (650, 31129), (910, 22235), (2275, 8894), (4447, 4550)]