20491212

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{34849}}^1$

素因数の和:34870

約数の個数: 36

約数和(自身を含む): 55620600

約数和(自身を除く): 35129388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 34849, 69698, 104547, 139396, 209094, 243943, 418188, 487886, 731829, 975772, 1463658, 1707601, 2927316, 3415202, 5122803, 6830404, 10245606, 20491212]

約数ペア:

[(1, 20491212), (2, 10245606), (3, 6830404), (4, 5122803), (6, 3415202), (7, 2927316), (12, 1707601), (14, 1463658), (21, 975772), (28, 731829), (42, 487886), (49, 418188), (84, 243943), (98, 209094), (147, 139396), (196, 104547), (294, 69698), (588, 34849)]