20919222

素因数分解:

$2^1\times 3^4\times {\mathrm{139}}^1\times {\mathrm{929}}^1$

素因数の和:1082

約数の個数: 40

約数和(自身を含む): 47262600

約数和(自身を除く): 26343378

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 278, 417, 834, 929, 1251, 1858, 2502, 2787, 3753, 5574, 7506, 8361, 11259, 16722, 22518, 25083, 50166, 75249, 129131, 150498, 258262, 387393, 774786, 1162179, 2324358, 3486537, 6973074, 10459611, 20919222]

約数ペア:

[(1, 20919222), (2, 10459611), (3, 6973074), (6, 3486537), (9, 2324358), (18, 1162179), (27, 774786), (54, 387393), (81, 258262), (139, 150498), (162, 129131), (278, 75249), (417, 50166), (834, 25083), (929, 22518), (1251, 16722), (1858, 11259), (2502, 8361), (2787, 7506), (3753, 5574)]