20586520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17747}}^1$

素因数の和:17787

約数の個数: 32

約数和(自身を含む): 47919600

約数和(自身を除く): 27333080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17747, 35494, 70988, 88735, 141976, 177470, 354940, 514663, 709880, 1029326, 2058652, 2573315, 4117304, 5146630, 10293260, 20586520]

約数ペア:

[(1, 20586520), (2, 10293260), (4, 5146630), (5, 4117304), (8, 2573315), (10, 2058652), (20, 1029326), (29, 709880), (40, 514663), (58, 354940), (116, 177470), (145, 141976), (232, 88735), (290, 70988), (580, 35494), (1160, 17747)]