20717704

素因数分解:

$2^3\times 7^1\times {\mathrm{369959}}^1$

素因数の和:369972

約数の個数: 16

約数和(自身を含む): 44395200

約数和(自身を除く): 23677496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 369959, 739918, 1479836, 2589713, 2959672, 5179426, 10358852, 20717704]

約数ペア:

[(1, 20717704), (2, 10358852), (4, 5179426), (7, 2959672), (8, 2589713), (14, 1479836), (28, 739918), (56, 369959)]