20338430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41507}}^1$

素因数の和:41528

約数の個数: 24

約数和(自身を含む): 42587208

約数和(自身を除く): 22248778

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41507, 83014, 207535, 290549, 415070, 581098, 1452745, 2033843, 2905490, 4067686, 10169215, 20338430]

約数ペア:

[(1, 20338430), (2, 10169215), (5, 4067686), (7, 2905490), (10, 2033843), (14, 1452745), (35, 581098), (49, 415070), (70, 290549), (98, 207535), (245, 83014), (490, 41507)]