20495538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 52992000

約数和(自身を除く): 32496462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 59, 63, 118, 126, 177, 189, 354, 378, 413, 531, 826, 919, 1062, 1239, 1593, 1838, 2478, 2757, 3186, 3717, 5514, 6433, 7434, 8271, 11151, 12866, 16542, 19299, 22302, 24813, 38598, 49626, 54221, 57897, 108442, 115794, 162663, 173691, 325326, 347382, 379547, 487989, 759094, 975978, 1138641, 1463967, 2277282, 2927934, 3415923, 6831846, 10247769, 20495538]

約数ペア:

[(1, 20495538), (2, 10247769), (3, 6831846), (6, 3415923), (7, 2927934), (9, 2277282), (14, 1463967), (18, 1138641), (21, 975978), (27, 759094), (42, 487989), (54, 379547), (59, 347382), (63, 325326), (118, 173691), (126, 162663), (177, 115794), (189, 108442), (354, 57897), (378, 54221), (413, 49626), (531, 38598), (826, 24813), (919, 22302), (1062, 19299), (1239, 16542), (1593, 12866), (1838, 11151), (2478, 8271), (2757, 7434), (3186, 6433), (3717, 5514)]