20057589

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 32248320

約数和(自身を除く): 12190731

約数列:

[1, 3, 9, 29, 31, 37, 67, 87, 93, 111, 201, 261, 279, 333, 603, 899, 1073, 1147, 1943, 2077, 2479, 2697, 3219, 3441, 5829, 6231, 7437, 8091, 9657, 10323, 17487, 18693, 22311, 33263, 60233, 71891, 76849, 99789, 180699, 215673, 230547, 299367, 542097, 647019, 691641, 2228621, 6685863, 20057589]

約数ペア:

[(1, 20057589), (3, 6685863), (9, 2228621), (29, 691641), (31, 647019), (37, 542097), (67, 299367), (87, 230547), (93, 215673), (111, 180699), (201, 99789), (261, 76849), (279, 71891), (333, 60233), (603, 33263), (899, 22311), (1073, 18693), (1147, 17487), (1943, 10323), (2077, 9657), (2479, 8091), (2697, 7437), (3219, 6231), (3441, 5829)]