20889228

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40483}}^1$

素因数の和:40533

約数の個数: 24

約数和(自身を含む): 49876288

約数和(自身を除く): 28987060

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40483, 80966, 121449, 161932, 242898, 485796, 1740769, 3481538, 5222307, 6963076, 10444614, 20889228]

約数ペア:

[(1, 20889228), (2, 10444614), (3, 6963076), (4, 5222307), (6, 3481538), (12, 1740769), (43, 485796), (86, 242898), (129, 161932), (172, 121449), (258, 80966), (516, 40483)]