20918112

素因数分解:

$2^5\times 3^1\times {\mathrm{193}}^1\times {\mathrm{1129}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 55243440

約数和(自身を除く): 34325328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 193, 386, 579, 772, 1129, 1158, 1544, 2258, 2316, 3088, 3387, 4516, 4632, 6176, 6774, 9032, 9264, 13548, 18064, 18528, 27096, 36128, 54192, 108384, 217897, 435794, 653691, 871588, 1307382, 1743176, 2614764, 3486352, 5229528, 6972704, 10459056, 20918112]

約数ペア:

[(1, 20918112), (2, 10459056), (3, 6972704), (4, 5229528), (6, 3486352), (8, 2614764), (12, 1743176), (16, 1307382), (24, 871588), (32, 653691), (48, 435794), (96, 217897), (193, 108384), (386, 54192), (579, 36128), (772, 27096), (1129, 18528), (1158, 18064), (1544, 13548), (2258, 9264), (2316, 9032), (3088, 6774), (3387, 6176), (4516, 4632)]