20751405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60149}}^1$

素因数の和:60180

約数の個数: 16

約数和(自身を含む): 34646400

約数和(自身を除く): 13894995

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 60149, 180447, 300745, 902235, 1383427, 4150281, 6917135, 20751405]

約数ペア:

[(1, 20751405), (3, 6917135), (5, 4150281), (15, 1383427), (23, 902235), (69, 300745), (115, 180447), (345, 60149)]