20664480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43051}}^1$

素因数の和:43069

約数の個数: 48

約数和(自身を含む): 65094624

約数和(自身を除く): 44430144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43051, 86102, 129153, 172204, 215255, 258306, 344408, 430510, 516612, 645765, 688816, 861020, 1033224, 1291530, 1377632, 1722040, 2066448, 2583060, 3444080, 4132896, 5166120, 6888160, 10332240, 20664480]

約数ペア:

[(1, 20664480), (2, 10332240), (3, 6888160), (4, 5166120), (5, 4132896), (6, 3444080), (8, 2583060), (10, 2066448), (12, 1722040), (15, 1377632), (16, 1291530), (20, 1033224), (24, 861020), (30, 688816), (32, 645765), (40, 516612), (48, 430510), (60, 344408), (80, 258306), (96, 215255), (120, 172204), (160, 129153), (240, 86102), (480, 43051)]