20027770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5839}}^1$

素因数の和:5867

約数の個数: 32

約数和(自身を含む): 42048000

約数和(自身を除く): 22020230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5839, 11678, 29195, 40873, 58390, 81746, 204365, 286111, 408730, 572222, 1430555, 2002777, 2861110, 4005554, 10013885, 20027770]

約数ペア:

[(1, 20027770), (2, 10013885), (5, 4005554), (7, 2861110), (10, 2002777), (14, 1430555), (35, 572222), (49, 408730), (70, 286111), (98, 204365), (245, 81746), (343, 58390), (490, 40873), (686, 29195), (1715, 11678), (3430, 5839)]