20434460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23761}}^1$

素因数の和:23813

約数の個数: 24

約数和(自身を含む): 43912176

約数和(自身を除く): 23477716

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23761, 47522, 95044, 118805, 237610, 475220, 1021723, 2043446, 4086892, 5108615, 10217230, 20434460]

約数ペア:

[(1, 20434460), (2, 10217230), (4, 5108615), (5, 4086892), (10, 2043446), (20, 1021723), (43, 475220), (86, 237610), (172, 118805), (215, 95044), (430, 47522), (860, 23761)]