20199892375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{12430703}}^1$

素因数の和:12430731

約数の個数: 16

約数和(自身を含む): 27148657536

約数和(自身を除く): 6948765161

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 12430703, 62153515, 161599139, 310767575, 807995695, 1553837875, 4039978475, 20199892375]

約数ペア:

[(1, 20199892375), (5, 4039978475), (13, 1553837875), (25, 807995695), (65, 310767575), (125, 161599139), (325, 62153515), (1625, 12430703)]