20101316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6451}}^1$

素因数の和:6515

約数の個数: 24

約数和(自身を含む): 37937760

約数和(自身を除く): 17836444

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6451, 12902, 25804, 122569, 245138, 264491, 490276, 528982, 1057964, 5025329, 10050658, 20101316]

約数ペア:

[(1, 20101316), (2, 10050658), (4, 5025329), (19, 1057964), (38, 528982), (41, 490276), (76, 264491), (82, 245138), (164, 122569), (779, 25804), (1558, 12902), (3116, 6451)]