20724972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5347}}^1$

素因数の和:5390

約数の個数: 48

約数和(自身を含む): 53907840

約数和(自身を除く): 33182868

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5347, 10694, 16041, 21388, 32082, 64164, 90899, 101593, 181798, 203186, 272697, 304779, 363596, 406372, 545394, 609558, 1090788, 1219116, 1727081, 3454162, 5181243, 6908324, 10362486, 20724972]

約数ペア:

[(1, 20724972), (2, 10362486), (3, 6908324), (4, 5181243), (6, 3454162), (12, 1727081), (17, 1219116), (19, 1090788), (34, 609558), (38, 545394), (51, 406372), (57, 363596), (68, 304779), (76, 272697), (102, 203186), (114, 181798), (204, 101593), (228, 90899), (323, 64164), (646, 32082), (969, 21388), (1292, 16041), (1938, 10694), (3876, 5347)]