20169585

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1129}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 35079720

約数和(自身を除く): 14910135

約数列:

[1, 3, 5, 9, 15, 45, 397, 1129, 1191, 1985, 3387, 3573, 5645, 5955, 10161, 16935, 17865, 50805, 448213, 1344639, 2241065, 4033917, 6723195, 20169585]

約数ペア:

[(1, 20169585), (3, 6723195), (5, 4033917), (9, 2241065), (15, 1344639), (45, 448213), (397, 50805), (1129, 17865), (1191, 16935), (1985, 10161), (3387, 5955), (3573, 5645)]