20401976

素因数分解:

$2^3\times 7^1\times {\mathrm{364321}}^1$

素因数の和:364334

約数の個数: 16

約数和(自身を含む): 43718640

約数和(自身を除く): 23316664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364321, 728642, 1457284, 2550247, 2914568, 5100494, 10200988, 20401976]

約数ペア:

[(1, 20401976), (2, 10200988), (4, 5100494), (7, 2914568), (8, 2550247), (14, 1457284), (28, 728642), (56, 364321)]