20118747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11503}}^1$

素因数の和:11570

約数の個数: 16

約数和(自身を含む): 29818368

約数和(自身を除く): 9699621

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11503, 34509, 126533, 379599, 609659, 1828977, 6706249, 20118747]

約数ペア:

[(1, 20118747), (3, 6706249), (11, 1828977), (33, 609659), (53, 379599), (159, 126533), (583, 34509), (1749, 11503)]