20505852

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 53508000

約数和(自身を除く): 33002148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1049, 1086, 1629, 2098, 2172, 3147, 3258, 4196, 4887, 6294, 6516, 9441, 9774, 12588, 18882, 19548, 28323, 37764, 56646, 113292, 189869, 379738, 569607, 759476, 1139214, 1708821, 2278428, 3417642, 5126463, 6835284, 10252926, 20505852]

約数ペア:

[(1, 20505852), (2, 10252926), (3, 6835284), (4, 5126463), (6, 3417642), (9, 2278428), (12, 1708821), (18, 1139214), (27, 759476), (36, 569607), (54, 379738), (108, 189869), (181, 113292), (362, 56646), (543, 37764), (724, 28323), (1049, 19548), (1086, 18882), (1629, 12588), (2098, 9774), (2172, 9441), (3147, 6516), (3258, 6294), (4196, 4887)]