20213704

素因数分解:

$2^3\times 7^1\times {\mathrm{360959}}^1$

素因数の和:360972

約数の個数: 16

約数和(自身を含む): 43315200

約数和(自身を除く): 23101496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 360959, 721918, 1443836, 2526713, 2887672, 5053426, 10106852, 20213704]

約数ペア:

[(1, 20213704), (2, 10106852), (4, 5053426), (7, 2887672), (8, 2526713), (14, 1443836), (28, 721918), (56, 360959)]