16920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 56160

約数和(自身を除く): 39240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1880, 2115, 2820, 3384, 4230, 5640, 8460, 16920]

約数ペア:

[(1, 16920), (2, 8460), (3, 5640), (4, 4230), (5, 3384), (6, 2820), (8, 2115), (9, 1880), (10, 1692), (12, 1410), (15, 1128), (18, 940), (20, 846), (24, 705), (30, 564), (36, 470), (40, 423), (45, 376), (47, 360), (60, 282), (72, 235), (90, 188), (94, 180), (120, 141)]