20215751909

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1\times {\mathrm{9811}}^1$

素因数の和:11876

約数の個数: 16

約数和(自身を含む): 21768981696

約数和(自身を除く): 1553229787

約数列:

[1, 17, 61, 1037, 1987, 9811, 33779, 121207, 166787, 598471, 2060519, 10174007, 19494457, 331405769, 1189161877, 20215751909]

約数ペア:

[(1, 20215751909), (17, 1189161877), (61, 331405769), (1037, 19494457), (1987, 10174007), (9811, 2060519), (33779, 598471), (121207, 166787)]