20671352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4229}}^1$

素因数の和:4295

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 21967048

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4229, 4888, 8458, 16916, 33832, 54977, 109954, 198763, 219908, 397526, 439816, 795052, 1590104, 2583919, 5167838, 10335676, 20671352]

約数ペア:

[(1, 20671352), (2, 10335676), (4, 5167838), (8, 2583919), (13, 1590104), (26, 795052), (47, 439816), (52, 397526), (94, 219908), (104, 198763), (188, 109954), (376, 54977), (611, 33832), (1222, 16916), (2444, 8458), (4229, 4888)]