20865456

素因数分解:

$2^4\times 3^2\times {\mathrm{144899}}^1$

素因数の和:144913

約数の個数: 30

約数和(自身を含む): 58394700

約数和(自身を除く): 37529244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144899, 289798, 434697, 579596, 869394, 1159192, 1304091, 1738788, 2318384, 2608182, 3477576, 5216364, 6955152, 10432728, 20865456]

約数ペア:

[(1, 20865456), (2, 10432728), (3, 6955152), (4, 5216364), (6, 3477576), (8, 2608182), (9, 2318384), (12, 1738788), (16, 1304091), (18, 1159192), (24, 869394), (36, 579596), (48, 434697), (72, 289798), (144, 144899)]