20937470

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 18011650

約数列:

[1, 2, 5, 10, 41, 82, 205, 223, 229, 410, 446, 458, 1115, 1145, 2230, 2290, 9143, 9389, 18286, 18778, 45715, 46945, 51067, 91430, 93890, 102134, 255335, 510670, 2093747, 4187494, 10468735, 20937470]

約数ペア:

[(1, 20937470), (2, 10468735), (5, 4187494), (10, 2093747), (41, 510670), (82, 255335), (205, 102134), (223, 93890), (229, 91430), (410, 51067), (446, 46945), (458, 45715), (1115, 18778), (1145, 18286), (2230, 9389), (2290, 9143)]