20839254

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 43330560

約数和(自身を除く): 22491306

約数列:

[1, 2, 3, 6, 31, 62, 93, 181, 186, 362, 543, 619, 1086, 1238, 1857, 3714, 5611, 11222, 16833, 19189, 33666, 38378, 57567, 112039, 115134, 224078, 336117, 672234, 3473209, 6946418, 10419627, 20839254]

約数ペア:

[(1, 20839254), (2, 10419627), (3, 6946418), (6, 3473209), (31, 672234), (62, 336117), (93, 224078), (181, 115134), (186, 112039), (362, 57567), (543, 38378), (619, 33666), (1086, 19189), (1238, 16833), (1857, 11222), (3714, 5611)]