20219598

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 31620402

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 149, 189, 298, 359, 378, 447, 718, 894, 1043, 1077, 1341, 2086, 2154, 2513, 2682, 3129, 3231, 4023, 5026, 6258, 6462, 7539, 8046, 9387, 9693, 15078, 18774, 19386, 22617, 28161, 45234, 53491, 56322, 67851, 106982, 135702, 160473, 320946, 374437, 481419, 748874, 962838, 1123311, 1444257, 2246622, 2888514, 3369933, 6739866, 10109799, 20219598]

約数ペア:

[(1, 20219598), (2, 10109799), (3, 6739866), (6, 3369933), (7, 2888514), (9, 2246622), (14, 1444257), (18, 1123311), (21, 962838), (27, 748874), (42, 481419), (54, 374437), (63, 320946), (126, 160473), (149, 135702), (189, 106982), (298, 67851), (359, 56322), (378, 53491), (447, 45234), (718, 28161), (894, 22617), (1043, 19386), (1077, 18774), (1341, 15078), (2086, 9693), (2154, 9387), (2513, 8046), (2682, 7539), (3129, 6462), (3231, 6258), (4023, 5026)]