20821065

素因数分解:

$3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3011}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 33397056

約数和(自身を除く): 12575991

約数列:

[1, 3, 5, 15, 461, 1383, 2305, 3011, 6915, 9033, 15055, 45165, 1388071, 4164213, 6940355, 20821065]

約数ペア:

[(1, 20821065), (3, 6940355), (5, 4164213), (15, 1388071), (461, 45165), (1383, 15055), (2305, 9033), (3011, 6915)]