20213854514

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{49787819}}^1$

素因数の和:49787857

約数の個数: 16

約数和(自身を含む): 35847230400

約数和(自身を除く): 15633375886

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 49787819, 99575638, 348514733, 697029466, 1443846751, 2887693502, 10106927257, 20213854514]

約数ペア:

[(1, 20213854514), (2, 10106927257), (7, 2887693502), (14, 1443846751), (29, 697029466), (58, 348514733), (203, 99575638), (406, 49787819)]