20468770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1187

約数の個数: 48

約数和(自身を含む): 44056440

約数和(自身を除く): 23587670

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1129, 1295, 1813, 2258, 2590, 3626, 5645, 7903, 9065, 11290, 15806, 18130, 39515, 41773, 55321, 79030, 83546, 110642, 208865, 276605, 292411, 417730, 553210, 584822, 1462055, 2046877, 2924110, 4093754, 10234385, 20468770]

約数ペア:

[(1, 20468770), (2, 10234385), (5, 4093754), (7, 2924110), (10, 2046877), (14, 1462055), (35, 584822), (37, 553210), (49, 417730), (70, 292411), (74, 276605), (98, 208865), (185, 110642), (245, 83546), (259, 79030), (370, 55321), (490, 41773), (518, 39515), (1129, 18130), (1295, 15806), (1813, 11290), (2258, 9065), (2590, 7903), (3626, 5645)]