20227190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 17927050

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 919, 1838, 2201, 4402, 4595, 9190, 11005, 22010, 28489, 56978, 65249, 130498, 142445, 284890, 326245, 652490, 2022719, 4045438, 10113595, 20227190]

約数ペア:

[(1, 20227190), (2, 10113595), (5, 4045438), (10, 2022719), (31, 652490), (62, 326245), (71, 284890), (142, 142445), (155, 130498), (310, 65249), (355, 56978), (710, 28489), (919, 22010), (1838, 11005), (2201, 9190), (4402, 4595)]