20268710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2393}}^1$

素因数の和:2429

約数の個数: 48

約数和(自身を含む): 45849888

約数和(自身を除く): 25581178

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2393, 4235, 4786, 8470, 11965, 16751, 23930, 26323, 33502, 52646, 83755, 131615, 167510, 184261, 263230, 289553, 368522, 579106, 921305, 1447765, 1842610, 2026871, 2895530, 4053742, 10134355, 20268710]

約数ペア:

[(1, 20268710), (2, 10134355), (5, 4053742), (7, 2895530), (10, 2026871), (11, 1842610), (14, 1447765), (22, 921305), (35, 579106), (55, 368522), (70, 289553), (77, 263230), (110, 184261), (121, 167510), (154, 131615), (242, 83755), (385, 52646), (605, 33502), (770, 26323), (847, 23930), (1210, 16751), (1694, 11965), (2393, 8470), (4235, 4786)]