20026545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2477}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 40678848

約数和(自身を除く): 20652303

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2477, 2695, 7431, 8085, 12385, 17339, 27247, 37155, 52017, 81741, 86695, 121373, 136235, 190729, 260085, 364119, 408705, 572187, 606865, 953645, 1335103, 1820595, 2860935, 4005309, 6675515, 20026545]

約数ペア:

[(1, 20026545), (3, 6675515), (5, 4005309), (7, 2860935), (11, 1820595), (15, 1335103), (21, 953645), (33, 606865), (35, 572187), (49, 408705), (55, 364119), (77, 260085), (105, 190729), (147, 136235), (165, 121373), (231, 86695), (245, 81741), (385, 52017), (539, 37155), (735, 27247), (1155, 17339), (1617, 12385), (2477, 8085), (2695, 7431)]