20408968293

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1374619}}^1$

素因数の和:1374737

約数の個数: 24

約数和(自身を含む): 31968162720

約数和(自身を除く): 11559194427

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 2121, 4949, 14847, 1374619, 4123857, 9622333, 28866999, 67356331, 138836519, 202068993, 416509557, 971855633, 2915566899, 6802989431, 20408968293]

約数ペア:

[(1, 20408968293), (3, 6802989431), (7, 2915566899), (21, 971855633), (49, 416509557), (101, 202068993), (147, 138836519), (303, 67356331), (707, 28866999), (2121, 9622333), (4949, 4123857), (14847, 1374619)]