20919960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58111}}^1$

素因数の和:58128

約数の個数: 48

約数和(自身を含む): 67991040

約数和(自身を除く): 47071080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58111, 116222, 174333, 232444, 290555, 348666, 464888, 522999, 581110, 697332, 871665, 1045998, 1162220, 1394664, 1743330, 2091996, 2324440, 2614995, 3486660, 4183992, 5229990, 6973320, 10459980, 20919960]

約数ペア:

[(1, 20919960), (2, 10459980), (3, 6973320), (4, 5229990), (5, 4183992), (6, 3486660), (8, 2614995), (9, 2324440), (10, 2091996), (12, 1743330), (15, 1394664), (18, 1162220), (20, 1045998), (24, 871665), (30, 697332), (36, 581110), (40, 522999), (45, 464888), (60, 348666), (72, 290555), (90, 232444), (120, 174333), (180, 116222), (360, 58111)]