20473516

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 42864640

約数和(自身を除く): 22391124

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 103, 124, 206, 217, 229, 412, 434, 458, 721, 868, 916, 1442, 1603, 2884, 3193, 3206, 6386, 6412, 7099, 12772, 14198, 22351, 23587, 28396, 44702, 47174, 49693, 89404, 94348, 99386, 165109, 198772, 330218, 660436, 731197, 1462394, 2924788, 5118379, 10236758, 20473516]

約数ペア:

[(1, 20473516), (2, 10236758), (4, 5118379), (7, 2924788), (14, 1462394), (28, 731197), (31, 660436), (62, 330218), (103, 198772), (124, 165109), (206, 99386), (217, 94348), (229, 89404), (412, 49693), (434, 47174), (458, 44702), (721, 28396), (868, 23587), (916, 22351), (1442, 14198), (1603, 12772), (2884, 7099), (3193, 6412), (3206, 6386)]