20139786

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4721}}^1$

素因数の和:4811

約数の個数: 32

約数和(自身を含む): 45331200

約数和(自身を除く): 25191414

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4721, 9442, 14163, 28326, 42489, 84978, 127467, 254934, 372959, 745918, 1118877, 2237754, 3356631, 6713262, 10069893, 20139786]

約数ペア:

[(1, 20139786), (2, 10069893), (3, 6713262), (6, 3356631), (9, 2237754), (18, 1118877), (27, 745918), (54, 372959), (79, 254934), (158, 127467), (237, 84978), (474, 42489), (711, 28326), (1422, 14163), (2133, 9442), (4266, 4721)]