20566458

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 48926592

約数和(自身を除く): 28360134

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 241, 431, 482, 723, 862, 1293, 1446, 2169, 2586, 2651, 3879, 4338, 4741, 5302, 7758, 7953, 9482, 14223, 15906, 23859, 28446, 42669, 47718, 85338, 103871, 207742, 311613, 623226, 934839, 1142581, 1869678, 2285162, 3427743, 6855486, 10283229, 20566458]

約数ペア:

[(1, 20566458), (2, 10283229), (3, 6855486), (6, 3427743), (9, 2285162), (11, 1869678), (18, 1142581), (22, 934839), (33, 623226), (66, 311613), (99, 207742), (198, 103871), (241, 85338), (431, 47718), (482, 42669), (723, 28446), (862, 23859), (1293, 15906), (1446, 14223), (2169, 9482), (2586, 7953), (2651, 7758), (3879, 5302), (4338, 4741)]