20997468

素因数分解:

$2^2\times 3^4\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:528

約数の個数: 60

約数和(自身を含む): 55326040

約数和(自身を除く): 34328572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 229, 283, 324, 458, 566, 687, 849, 916, 1132, 1374, 1698, 2061, 2547, 2748, 3396, 4122, 5094, 6183, 7641, 8244, 10188, 12366, 15282, 18549, 22923, 24732, 30564, 37098, 45846, 64807, 74196, 91692, 129614, 194421, 259228, 388842, 583263, 777684, 1166526, 1749789, 2333052, 3499578, 5249367, 6999156, 10498734, 20997468]

約数ペア:

[(1, 20997468), (2, 10498734), (3, 6999156), (4, 5249367), (6, 3499578), (9, 2333052), (12, 1749789), (18, 1166526), (27, 777684), (36, 583263), (54, 388842), (81, 259228), (108, 194421), (162, 129614), (229, 91692), (283, 74196), (324, 64807), (458, 45846), (566, 37098), (687, 30564), (849, 24732), (916, 22923), (1132, 18549), (1374, 15282), (1698, 12366), (2061, 10188), (2547, 8244), (2748, 7641), (3396, 6183), (4122, 5094)]