20164923

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 30942720

約数和(自身を除く): 10777797

約数列:

[1, 3, 9, 27, 67, 71, 157, 201, 213, 471, 603, 639, 1413, 1809, 1917, 4239, 4757, 10519, 11147, 14271, 31557, 33441, 42813, 94671, 100323, 128439, 284013, 300969, 746849, 2240547, 6721641, 20164923]

約数ペア:

[(1, 20164923), (3, 6721641), (9, 2240547), (27, 746849), (67, 300969), (71, 284013), (157, 128439), (201, 100323), (213, 94671), (471, 42813), (603, 33441), (639, 31557), (1413, 14271), (1809, 11147), (1917, 10519), (4239, 4757)]