2020145175

素因数分解:

$3^2\times 5^2\times {\mathrm{1901}}^1\times {\mathrm{4723}}^1$

素因数の和:6640

約数の個数: 36

約数和(自身を含む): 3620974344

約数和(自身を除く): 1600829169

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1901, 4723, 5703, 9505, 14169, 17109, 23615, 28515, 42507, 47525, 70845, 85545, 118075, 142575, 212535, 354225, 427725, 1062675, 8978423, 26935269, 44892115, 80805807, 134676345, 224460575, 404029035, 673381725, 2020145175]

約数ペア:

[(1, 2020145175), (3, 673381725), (5, 404029035), (9, 224460575), (15, 134676345), (25, 80805807), (45, 44892115), (75, 26935269), (225, 8978423), (1901, 1062675), (4723, 427725), (5703, 354225), (9505, 212535), (14169, 142575), (17109, 118075), (23615, 85545), (28515, 70845), (42507, 47525)]