20678520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172321}}^1$

素因数の和:172335

約数の個数: 32

約数和(自身を含む): 62035920

約数和(自身を除く): 41357400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172321, 344642, 516963, 689284, 861605, 1033926, 1378568, 1723210, 2067852, 2584815, 3446420, 4135704, 5169630, 6892840, 10339260, 20678520]

約数ペア:

[(1, 20678520), (2, 10339260), (3, 6892840), (4, 5169630), (5, 4135704), (6, 3446420), (8, 2584815), (10, 2067852), (12, 1723210), (15, 1378568), (20, 1033926), (24, 861605), (30, 689284), (40, 516963), (60, 344642), (120, 172321)]