20490336

素因数分解:

$2^5\times 3^2\times {\mathrm{71147}}^1$

素因数の和:71163

約数の個数: 36

約数和(自身を含む): 58270212

約数和(自身を除く): 37779876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 71147, 142294, 213441, 284588, 426882, 569176, 640323, 853764, 1138352, 1280646, 1707528, 2276704, 2561292, 3415056, 5122584, 6830112, 10245168, 20490336]

約数ペア:

[(1, 20490336), (2, 10245168), (3, 6830112), (4, 5122584), (6, 3415056), (8, 2561292), (9, 2276704), (12, 1707528), (16, 1280646), (18, 1138352), (24, 853764), (32, 640323), (36, 569176), (48, 426882), (72, 284588), (96, 213441), (144, 142294), (288, 71147)]