20127415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2273}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 31435776

約数和(自身を除く): 11308361

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2273, 8855, 11365, 15911, 25003, 52279, 79555, 125015, 175021, 261395, 365953, 575069, 875105, 1829765, 2875345, 4025483, 20127415]

約数ペア:

[(1, 20127415), (5, 4025483), (7, 2875345), (11, 1829765), (23, 875105), (35, 575069), (55, 365953), (77, 261395), (115, 175021), (161, 125015), (253, 79555), (385, 52279), (805, 25003), (1265, 15911), (1771, 11365), (2273, 8855)]