20488752

素因数分解:

$2^4\times 3^2\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:818

約数の個数: 60

約数和(自身を含む): 57664464

約数和(自身を除く): 37175712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 263, 526, 541, 789, 1052, 1082, 1578, 1623, 2104, 2164, 2367, 3156, 3246, 4208, 4328, 4734, 4869, 6312, 6492, 8656, 9468, 9738, 12624, 12984, 18936, 19476, 25968, 37872, 38952, 77904, 142283, 284566, 426849, 569132, 853698, 1138264, 1280547, 1707396, 2276528, 2561094, 3414792, 5122188, 6829584, 10244376, 20488752]

約数ペア:

[(1, 20488752), (2, 10244376), (3, 6829584), (4, 5122188), (6, 3414792), (8, 2561094), (9, 2276528), (12, 1707396), (16, 1280547), (18, 1138264), (24, 853698), (36, 569132), (48, 426849), (72, 284566), (144, 142283), (263, 77904), (526, 38952), (541, 37872), (789, 25968), (1052, 19476), (1082, 18936), (1578, 12984), (1623, 12624), (2104, 9738), (2164, 9468), (2367, 8656), (3156, 6492), (3246, 6312), (4208, 4869), (4328, 4734)]