23139220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88997}}^1$

素因数の和:89019

約数の個数: 24

約数和(自身を含む): 52330824

約数和(自身を除く): 29191604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 88997, 177994, 355988, 444985, 889970, 1156961, 1779940, 2313922, 4627844, 5784805, 11569610, 23139220]

約数ペア:

[(1, 23139220), (2, 11569610), (4, 5784805), (5, 4627844), (10, 2313922), (13, 1779940), (20, 1156961), (26, 889970), (52, 444985), (65, 355988), (130, 177994), (260, 88997)]