20347054168

素因数分解:

$2^3\times 7^1\times {\mathrm{1447}}^1\times {\mathrm{251099}}^1$

素因数の和:252559

約数の個数: 32

約数和(自身を含む): 43631136000

約数和(自身を除く): 23284081832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1447, 2894, 5788, 10129, 11576, 20258, 40516, 81032, 251099, 502198, 1004396, 1757693, 2008792, 3515386, 7030772, 14061544, 363340253, 726680506, 1453361012, 2543381771, 2906722024, 5086763542, 10173527084, 20347054168]

約数ペア:

[(1, 20347054168), (2, 10173527084), (4, 5086763542), (7, 2906722024), (8, 2543381771), (14, 1453361012), (28, 726680506), (56, 363340253), (1447, 14061544), (2894, 7030772), (5788, 3515386), (10129, 2008792), (11576, 1757693), (20258, 1004396), (40516, 502198), (81032, 251099)]