20385468

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9283}}^1$

素因数の和:9354

約数の個数: 36

約数和(自身を含む): 52380328

約数和(自身を除く): 31994860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9283, 18566, 27849, 37132, 55698, 83547, 111396, 167094, 334188, 566263, 1132526, 1698789, 2265052, 3397578, 5096367, 6795156, 10192734, 20385468]

約数ペア:

[(1, 20385468), (2, 10192734), (3, 6795156), (4, 5096367), (6, 3397578), (9, 2265052), (12, 1698789), (18, 1132526), (36, 566263), (61, 334188), (122, 167094), (183, 111396), (244, 83547), (366, 55698), (549, 37132), (732, 27849), (1098, 18566), (2196, 9283)]