20751915

素因数分解:

$3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3001}}^1$

素因数の和:3470

約数の個数: 16

約数和(自身を含む): 33286176

約数和(自身を除く): 12534261

約数列:

[1, 3, 5, 15, 461, 1383, 2305, 3001, 6915, 9003, 15005, 45015, 1383461, 4150383, 6917305, 20751915]

約数ペア:

[(1, 20751915), (3, 6917305), (5, 4150383), (15, 1383461), (461, 45015), (1383, 15005), (2305, 9003), (3001, 6915)]