20028110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 37711872

約数和(自身を除く): 17683762

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 991, 1982, 2021, 4042, 4955, 9910, 10105, 20210, 42613, 46577, 85226, 93154, 213065, 232885, 426130, 465770, 2002811, 4005622, 10014055, 20028110]

約数ペア:

[(1, 20028110), (2, 10014055), (5, 4005622), (10, 2002811), (43, 465770), (47, 426130), (86, 232885), (94, 213065), (215, 93154), (235, 85226), (430, 46577), (470, 42613), (991, 20210), (1982, 10105), (2021, 9910), (4042, 4955)]