20804948272

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{2857}}^1\times {\mathrm{6793}}^1$

素因数の和:9725

約数の個数: 40

約数和(自身を含む): 40931567216

約数和(自身を除く): 20126618944

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 2857, 5714, 6793, 11428, 13586, 22856, 27172, 45712, 54344, 108688, 191419, 382838, 455131, 765676, 910262, 1531352, 1820524, 3062704, 3641048, 7282096, 19407601, 38815202, 77630404, 155260808, 310521616, 1300309267, 2600618534, 5201237068, 10402474136, 20804948272]

約数ペア:

[(1, 20804948272), (2, 10402474136), (4, 5201237068), (8, 2600618534), (16, 1300309267), (67, 310521616), (134, 155260808), (268, 77630404), (536, 38815202), (1072, 19407601), (2857, 7282096), (5714, 3641048), (6793, 3062704), (11428, 1820524), (13586, 1531352), (22856, 910262), (27172, 765676), (45712, 455131), (54344, 382838), (108688, 191419)]