20218980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336983}}^1$

素因数の和:336995

約数の個数: 24

約数和(自身を含む): 56613312

約数和(自身を除く): 36394332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336983, 673966, 1010949, 1347932, 1684915, 2021898, 3369830, 4043796, 5054745, 6739660, 10109490, 20218980]

約数ペア:

[(1, 20218980), (2, 10109490), (3, 6739660), (4, 5054745), (5, 4043796), (6, 3369830), (10, 2021898), (12, 1684915), (15, 1347932), (20, 1010949), (30, 673966), (60, 336983)]