20183220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112129}}^1$

素因数の和:112144

約数の個数: 36

約数和(自身を含む): 61222980

約数和(自身を除く): 41039760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112129, 224258, 336387, 448516, 560645, 672774, 1009161, 1121290, 1345548, 1681935, 2018322, 2242580, 3363870, 4036644, 5045805, 6727740, 10091610, 20183220]

約数ペア:

[(1, 20183220), (2, 10091610), (3, 6727740), (4, 5045805), (5, 4036644), (6, 3363870), (9, 2242580), (10, 2018322), (12, 1681935), (15, 1345548), (18, 1121290), (20, 1009161), (30, 672774), (36, 560645), (45, 448516), (60, 336387), (90, 224258), (180, 112129)]