20123820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111799}}^1$

素因数の和:111814

約数の個数: 36

約数和(自身を含む): 61042800

約数和(自身を除く): 40918980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111799, 223598, 335397, 447196, 558995, 670794, 1006191, 1117990, 1341588, 1676985, 2012382, 2235980, 3353970, 4024764, 5030955, 6707940, 10061910, 20123820]

約数ペア:

[(1, 20123820), (2, 10061910), (3, 6707940), (4, 5030955), (5, 4024764), (6, 3353970), (9, 2235980), (10, 2012382), (12, 1676985), (15, 1341588), (18, 1117990), (20, 1006191), (30, 670794), (36, 558995), (45, 447196), (60, 335397), (90, 223598), (180, 111799)]