20401402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76697}}^1$

素因数の和:76725

約数の個数: 16

約数和(自身を含む): 36815040

約数和(自身を除く): 16413638

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 76697, 153394, 536879, 1073758, 1457243, 2914486, 10200701, 20401402]

約数ペア:

[(1, 20401402), (2, 10200701), (7, 2914486), (14, 1457243), (19, 1073758), (38, 536879), (133, 153394), (266, 76697)]