20115235

素因数分解:

$5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 29001600

約数和(自身を除く): 8886365

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 317, 343, 1295, 1585, 1715, 1813, 2219, 9065, 11095, 11729, 12691, 15533, 58645, 63455, 77665, 82103, 108731, 410515, 543655, 574721, 2873605, 4023047, 20115235]

約数ペア:

[(1, 20115235), (5, 4023047), (7, 2873605), (35, 574721), (37, 543655), (49, 410515), (185, 108731), (245, 82103), (259, 77665), (317, 63455), (343, 58645), (1295, 15533), (1585, 12691), (1715, 11729), (1813, 11095), (2219, 9065)]