20852376495

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1285993}}^1$

素因数の和:1286071

約数の個数: 32

約数和(自身を含む): 35555162112

約数和(自身を除く): 14702785617

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 1285993, 3857979, 6429965, 19289895, 29577839, 60441671, 88733517, 147889195, 181325013, 302208355, 443667585, 906625065, 1390158433, 4170475299, 6950792165, 20852376495]

約数ペア:

[(1, 20852376495), (3, 6950792165), (5, 4170475299), (15, 1390158433), (23, 906625065), (47, 443667585), (69, 302208355), (115, 181325013), (141, 147889195), (235, 88733517), (345, 60441671), (705, 29577839), (1081, 19289895), (3243, 6429965), (5405, 3857979), (16215, 1285993)]