23200220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 50893920

約数和(自身を除く): 27693700

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 509, 530, 860, 1018, 1060, 2036, 2279, 2545, 4558, 5090, 9116, 10180, 11395, 21887, 22790, 26977, 43774, 45580, 53954, 87548, 107908, 109435, 134885, 218870, 269770, 437740, 539540, 1160011, 2320022, 4640044, 5800055, 11600110, 23200220]

約数ペア:

[(1, 23200220), (2, 11600110), (4, 5800055), (5, 4640044), (10, 2320022), (20, 1160011), (43, 539540), (53, 437740), (86, 269770), (106, 218870), (172, 134885), (212, 109435), (215, 107908), (265, 87548), (430, 53954), (509, 45580), (530, 43774), (860, 26977), (1018, 22790), (1060, 21887), (2036, 11395), (2279, 10180), (2545, 9116), (4558, 5090)]