20036961

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{571}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 33194304

約数和(自身を除く): 13157343

約数列:

[1, 3, 7, 9, 21, 63, 557, 571, 1671, 1713, 3899, 3997, 5013, 5139, 11697, 11991, 35091, 35973, 318047, 954141, 2226329, 2862423, 6678987, 20036961]

約数ペア:

[(1, 20036961), (3, 6678987), (7, 2862423), (9, 2226329), (21, 954141), (63, 318047), (557, 35973), (571, 35091), (1671, 11991), (1713, 11697), (3899, 5139), (3997, 5013)]