20929636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4423}}^1$

素因数の和:4460

約数の個数: 36

約数和(自身を含む): 45337152

約数和(自身を除く): 24407516

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4423, 4732, 8846, 17692, 30961, 57499, 61922, 114998, 123844, 229996, 402493, 747487, 804986, 1494974, 1609972, 2989948, 5232409, 10464818, 20929636]

約数ペア:

[(1, 20929636), (2, 10464818), (4, 5232409), (7, 2989948), (13, 1609972), (14, 1494974), (26, 804986), (28, 747487), (52, 402493), (91, 229996), (169, 123844), (182, 114998), (338, 61922), (364, 57499), (676, 30961), (1183, 17692), (2366, 8846), (4423, 4732)]