20976039

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4561}}^1$

素因数の和:4647

約数の個数: 24

約数和(自身を含む): 35109152

約数和(自身を除く): 14133113

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4561, 4599, 13683, 31927, 41049, 95781, 287343, 332953, 998859, 2330671, 2996577, 6992013, 20976039]

約数ペア:

[(1, 20976039), (3, 6992013), (7, 2996577), (9, 2330671), (21, 998859), (63, 332953), (73, 287343), (219, 95781), (511, 41049), (657, 31927), (1533, 13683), (4561, 4599)]