20119989605

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{25409}}^1$

素因数の和:25613

約数の個数: 32

約数和(自身を含む): 25759641600

約数和(自身を除く): 5639651995

約数列:

[1, 5, 29, 43, 127, 145, 215, 635, 1247, 3683, 5461, 6235, 18415, 25409, 27305, 127045, 158369, 736861, 791845, 1092587, 3226943, 3684305, 5462935, 16134715, 31685023, 93581347, 138758549, 158425115, 467906735, 693792745, 4023997921, 20119989605]

約数ペア:

[(1, 20119989605), (5, 4023997921), (29, 693792745), (43, 467906735), (127, 158425115), (145, 138758549), (215, 93581347), (635, 31685023), (1247, 16134715), (3683, 5462935), (5461, 3684305), (6235, 3226943), (18415, 1092587), (25409, 791845), (27305, 736861), (127045, 158369)]