22018520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7753}}^1$

素因数の和:7835

約数の個数: 32

約数和(自身を含む): 50245920

約数和(自身を除く): 28227400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7753, 15506, 31012, 38765, 62024, 77530, 155060, 310120, 550463, 1100926, 2201852, 2752315, 4403704, 5504630, 11009260, 22018520]

約数ペア:

[(1, 22018520), (2, 11009260), (4, 5504630), (5, 4403704), (8, 2752315), (10, 2201852), (20, 1100926), (40, 550463), (71, 310120), (142, 155060), (284, 77530), (355, 62024), (568, 38765), (710, 31012), (1420, 15506), (2840, 7753)]