20748360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4078

約数の個数: 64

約数和(自身を含む): 63708480

約数和(自身を除く): 42960120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4021, 5160, 8042, 12063, 16084, 20105, 24126, 32168, 40210, 48252, 60315, 80420, 96504, 120630, 160840, 172903, 241260, 345806, 482520, 518709, 691612, 864515, 1037418, 1383224, 1729030, 2074836, 2593545, 3458060, 4149672, 5187090, 6916120, 10374180, 20748360]

約数ペア:

[(1, 20748360), (2, 10374180), (3, 6916120), (4, 5187090), (5, 4149672), (6, 3458060), (8, 2593545), (10, 2074836), (12, 1729030), (15, 1383224), (20, 1037418), (24, 864515), (30, 691612), (40, 518709), (43, 482520), (60, 345806), (86, 241260), (120, 172903), (129, 160840), (172, 120630), (215, 96504), (258, 80420), (344, 60315), (430, 48252), (516, 40210), (645, 32168), (860, 24126), (1032, 20105), (1290, 16084), (1720, 12063), (2580, 8042), (4021, 5160)]