20940240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87251}}^1$

素因数の和:87267

約数の個数: 40

約数和(自身を含む): 64915488

約数和(自身を除く): 43975248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87251, 174502, 261753, 349004, 436255, 523506, 698008, 872510, 1047012, 1308765, 1396016, 1745020, 2094024, 2617530, 3490040, 4188048, 5235060, 6980080, 10470120, 20940240]

約数ペア:

[(1, 20940240), (2, 10470120), (3, 6980080), (4, 5235060), (5, 4188048), (6, 3490040), (8, 2617530), (10, 2094024), (12, 1745020), (15, 1396016), (16, 1308765), (20, 1047012), (24, 872510), (30, 698008), (40, 523506), (48, 436255), (60, 349004), (80, 261753), (120, 174502), (240, 87251)]