20213040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84221}}^1$

素因数の和:84237

約数の個数: 40

約数和(自身を含む): 62661168

約数和(自身を除く): 42448128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84221, 168442, 252663, 336884, 421105, 505326, 673768, 842210, 1010652, 1263315, 1347536, 1684420, 2021304, 2526630, 3368840, 4042608, 5053260, 6737680, 10106520, 20213040]

約数ペア:

[(1, 20213040), (2, 10106520), (3, 6737680), (4, 5053260), (5, 4042608), (6, 3368840), (8, 2526630), (10, 2021304), (12, 1684420), (15, 1347536), (16, 1263315), (20, 1010652), (24, 842210), (30, 673768), (40, 505326), (48, 421105), (60, 336884), (80, 252663), (120, 168442), (240, 84221)]