20332905

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 13287063

約数列:

[1, 3, 5, 15, 47, 141, 151, 191, 235, 453, 573, 705, 755, 955, 2265, 2865, 7097, 8977, 21291, 26931, 28841, 35485, 44885, 86523, 106455, 134655, 144205, 432615, 1355527, 4066581, 6777635, 20332905]

約数ペア:

[(1, 20332905), (3, 6777635), (5, 4066581), (15, 1355527), (47, 432615), (141, 144205), (151, 134655), (191, 106455), (235, 86523), (453, 44885), (573, 35485), (705, 28841), (755, 26931), (955, 21291), (2265, 8977), (2865, 7097)]