20212768

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 22788512

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 92, 116, 184, 232, 368, 464, 667, 736, 928, 947, 1334, 1894, 2668, 3788, 5336, 7576, 10672, 15152, 21344, 21781, 27463, 30304, 43562, 54926, 87124, 109852, 174248, 219704, 348496, 439408, 631649, 696992, 878816, 1263298, 2526596, 5053192, 10106384, 20212768]

約数ペア:

[(1, 20212768), (2, 10106384), (4, 5053192), (8, 2526596), (16, 1263298), (23, 878816), (29, 696992), (32, 631649), (46, 439408), (58, 348496), (92, 219704), (116, 174248), (184, 109852), (232, 87124), (368, 54926), (464, 43562), (667, 30304), (736, 27463), (928, 21781), (947, 21344), (1334, 15152), (1894, 10672), (2668, 7576), (3788, 5336)]