20836836

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18671}}^1$

素因数の和:18712

約数の個数: 36

約数和(自身を含む): 54372864

約数和(自身を除く): 33536028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18671, 37342, 56013, 74684, 112026, 168039, 224052, 336078, 578801, 672156, 1157602, 1736403, 2315204, 3472806, 5209209, 6945612, 10418418, 20836836]

約数ペア:

[(1, 20836836), (2, 10418418), (3, 6945612), (4, 5209209), (6, 3472806), (9, 2315204), (12, 1736403), (18, 1157602), (31, 672156), (36, 578801), (62, 336078), (93, 224052), (124, 168039), (186, 112026), (279, 74684), (372, 56013), (558, 37342), (1116, 18671)]