20463720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5501}}^1$

素因数の和:5546

約数の個数: 64

約数和(自身を含む): 63383040

約数和(自身を除く): 42919320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5501, 11002, 16503, 22004, 27505, 33006, 44008, 55010, 66012, 82515, 110020, 132024, 165030, 170531, 220040, 330060, 341062, 511593, 660120, 682124, 852655, 1023186, 1364248, 1705310, 2046372, 2557965, 3410620, 4092744, 5115930, 6821240, 10231860, 20463720]

約数ペア:

[(1, 20463720), (2, 10231860), (3, 6821240), (4, 5115930), (5, 4092744), (6, 3410620), (8, 2557965), (10, 2046372), (12, 1705310), (15, 1364248), (20, 1023186), (24, 852655), (30, 682124), (31, 660120), (40, 511593), (60, 341062), (62, 330060), (93, 220040), (120, 170531), (124, 165030), (155, 132024), (186, 110020), (248, 82515), (310, 66012), (372, 55010), (465, 44008), (620, 33006), (744, 27505), (930, 22004), (1240, 16503), (1860, 11002), (3720, 5501)]