20740668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132953}}^1$

素因数の和:132973

約数の個数: 24

約数和(自身を含む): 52117968

約数和(自身を除く): 31377300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132953, 265906, 398859, 531812, 797718, 1595436, 1728389, 3456778, 5185167, 6913556, 10370334, 20740668]

約数ペア:

[(1, 20740668), (2, 10370334), (3, 6913556), (4, 5185167), (6, 3456778), (12, 1728389), (13, 1595436), (26, 797718), (39, 531812), (52, 398859), (78, 265906), (156, 132953)]