20638770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5417}}^1$

素因数の和:5554

約数の個数: 32

約数和(自身を含む): 49932288

約数和(自身を除く): 29293518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5417, 10834, 16251, 27085, 32502, 54170, 81255, 162510, 687959, 1375918, 2063877, 3439795, 4127754, 6879590, 10319385, 20638770]

約数ペア:

[(1, 20638770), (2, 10319385), (3, 6879590), (5, 4127754), (6, 3439795), (10, 2063877), (15, 1375918), (30, 687959), (127, 162510), (254, 81255), (381, 54170), (635, 32502), (762, 27085), (1270, 16251), (1905, 10834), (3810, 5417)]