20107568705

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{907}}^1\times {\mathrm{2207}}^1$

素因数の和:3174

約数の個数: 48

約数和(自身を含む): 28797866496

約数和(自身を除く): 8690297791

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 907, 1435, 2009, 2207, 4535, 6349, 10045, 11035, 15449, 31745, 37187, 44443, 77245, 90487, 108143, 185935, 222215, 260309, 452435, 540715, 633409, 1301545, 1822163, 2001749, 3167045, 4433863, 9110815, 10008745, 14012243, 22169315, 70061215, 82071709, 98085701, 410358545, 490428505, 574501963, 2872509815, 4021513741, 20107568705]

約数ペア:

[(1, 20107568705), (5, 4021513741), (7, 2872509815), (35, 574501963), (41, 490428505), (49, 410358545), (205, 98085701), (245, 82071709), (287, 70061215), (907, 22169315), (1435, 14012243), (2009, 10008745), (2207, 9110815), (4535, 4433863), (6349, 3167045), (10045, 2001749), (11035, 1822163), (15449, 1301545), (31745, 633409), (37187, 540715), (44443, 452435), (77245, 260309), (90487, 222215), (108143, 185935)]