20170079979

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{54139}}^1$

素因数の和:54419

約数の個数: 32

約数和(自身を含む): 31205429760

約数和(自身を除く): 11035349781

約数列:

[1, 3, 7, 21, 113, 157, 339, 471, 791, 1099, 2373, 3297, 17741, 53223, 54139, 124187, 162417, 372561, 378973, 1136919, 6117707, 8499823, 18353121, 25499469, 42823949, 59498761, 128471847, 178496283, 960479999, 2881439997, 6723359993, 20170079979]

約数ペア:

[(1, 20170079979), (3, 6723359993), (7, 2881439997), (21, 960479999), (113, 178496283), (157, 128471847), (339, 59498761), (471, 42823949), (791, 25499469), (1099, 18353121), (2373, 8499823), (3297, 6117707), (17741, 1136919), (53223, 378973), (54139, 372561), (124187, 162417)]