20120406621

素因数分解:

$3^1\times 7^1\times {\mathrm{52879}}^1\times {\mathrm{18119}}^1$

素因数の和:71008

約数の個数: 16

約数和(自身を含む): 30661939200

約数和(自身を除く): 10541532579

約数列:

[1, 3, 7, 21, 18119, 52879, 54357, 126833, 158637, 370153, 380499, 1110459, 958114601, 2874343803, 6706802207, 20120406621]

約数ペア:

[(1, 20120406621), (3, 6706802207), (7, 2874343803), (21, 958114601), (18119, 1110459), (52879, 380499), (54357, 370153), (126833, 158637)]