20498872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7933}}^1$

素因数の和:7975

約数の個数: 32

約数和(自身を含む): 42843600

約数和(自身を除く): 22344728

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7933, 15866, 31732, 63464, 134861, 150727, 269722, 301454, 539444, 602908, 1078888, 1205816, 2562359, 5124718, 10249436, 20498872]

約数ペア:

[(1, 20498872), (2, 10249436), (4, 5124718), (8, 2562359), (17, 1205816), (19, 1078888), (34, 602908), (38, 539444), (68, 301454), (76, 269722), (136, 150727), (152, 134861), (323, 63464), (646, 31732), (1292, 15866), (2584, 7933)]