20178203214

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258694913}}^1$

素因数の和:258694931

約数の個数: 16

約数和(自身を含む): 43460745552

約数和(自身を除く): 23282542338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258694913, 517389826, 776084739, 1552169478, 3363033869, 6726067738, 10089101607, 20178203214]

約数ペア:

[(1, 20178203214), (2, 10089101607), (3, 6726067738), (6, 3363033869), (13, 1552169478), (26, 776084739), (39, 517389826), (78, 258694913)]