20634465

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10501}}^1$

素因数の和:10640

約数の個数: 16

約数和(自身を含む): 33270336

約数和(自身を除く): 12635871

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10501, 31503, 52505, 157515, 1375631, 4126893, 6878155, 20634465]

約数ペア:

[(1, 20634465), (3, 6878155), (5, 4126893), (15, 1375631), (131, 157515), (393, 52505), (655, 31503), (1965, 10501)]