16585420

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1889}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 18341780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 1889, 2195, 3778, 4390, 7556, 8780, 9445, 18890, 37780, 829271, 1658542, 3317084, 4146355, 8292710, 16585420]

約数ペア:

[(1, 16585420), (2, 8292710), (4, 4146355), (5, 3317084), (10, 1658542), (20, 829271), (439, 37780), (878, 18890), (1756, 9445), (1889, 8780), (2195, 7556), (3778, 4390)]