20861292

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 29589108

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 109, 123, 164, 218, 246, 327, 389, 436, 492, 654, 778, 1167, 1308, 1556, 2334, 4469, 4668, 8938, 13407, 15949, 17876, 26814, 31898, 42401, 47847, 53628, 63796, 84802, 95694, 127203, 169604, 191388, 254406, 508812, 1738441, 3476882, 5215323, 6953764, 10430646, 20861292]

約数ペア:

[(1, 20861292), (2, 10430646), (3, 6953764), (4, 5215323), (6, 3476882), (12, 1738441), (41, 508812), (82, 254406), (109, 191388), (123, 169604), (164, 127203), (218, 95694), (246, 84802), (327, 63796), (389, 53628), (436, 47847), (492, 42401), (654, 31898), (778, 26814), (1167, 17876), (1308, 15949), (1556, 13407), (2334, 8938), (4469, 4668)]