20218181255

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1\times {\mathrm{1249}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 24883200000

約数和(自身を除く): 4665018745

約数列:

[1, 5, 79, 107, 383, 395, 535, 1249, 1915, 6245, 8453, 30257, 40981, 42265, 98671, 133643, 151285, 204905, 478367, 493355, 668215, 2391835, 3237499, 10557797, 16187495, 37790993, 51185269, 52788985, 188954965, 255926345, 4043636251, 20218181255]

約数ペア:

[(1, 20218181255), (5, 4043636251), (79, 255926345), (107, 188954965), (383, 52788985), (395, 51185269), (535, 37790993), (1249, 16187495), (1915, 10557797), (6245, 3237499), (8453, 2391835), (30257, 668215), (40981, 493355), (42265, 478367), (98671, 204905), (133643, 151285)]