16813020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40031}}^1$

素因数の和:40050

約数の個数: 48

約数和(自身を含む): 53803008

約数和(自身を除く): 36989988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 40031, 80062, 120093, 160124, 200155, 240186, 280217, 400310, 480372, 560434, 600465, 800620, 840651, 1120868, 1200930, 1401085, 1681302, 2401860, 2802170, 3362604, 4203255, 5604340, 8406510, 16813020]

約数ペア:

[(1, 16813020), (2, 8406510), (3, 5604340), (4, 4203255), (5, 3362604), (6, 2802170), (7, 2401860), (10, 1681302), (12, 1401085), (14, 1200930), (15, 1120868), (20, 840651), (21, 800620), (28, 600465), (30, 560434), (35, 480372), (42, 400310), (60, 280217), (70, 240186), (84, 200155), (105, 160124), (140, 120093), (210, 80062), (420, 40031)]