20185735815

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7120189}}^1$

素因数の和:7120213

約数の個数: 40

約数和(自身を含む): 41354063520

約数和(自身を除く): 21168327705

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7120189, 21360567, 35600945, 49841323, 64081701, 106802835, 149523969, 192245103, 249206615, 320408505, 448571907, 576735309, 747619845, 961225515, 1345715721, 2242859535, 2883676545, 4037147163, 6728578605, 20185735815]

約数ペア:

[(1, 20185735815), (3, 6728578605), (5, 4037147163), (7, 2883676545), (9, 2242859535), (15, 1345715721), (21, 961225515), (27, 747619845), (35, 576735309), (45, 448571907), (63, 320408505), (81, 249206615), (105, 192245103), (135, 149523969), (189, 106802835), (315, 64081701), (405, 49841323), (567, 35600945), (945, 21360567), (2835, 7120189)]