20926809

素因数分解:

$3^3\times {\mathrm{19}}^3\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 33014400

約数和(自身を除く): 12087591

約数列:

[1, 3, 9, 19, 27, 57, 113, 171, 339, 361, 513, 1017, 1083, 2147, 3051, 3249, 6441, 6859, 9747, 19323, 20577, 40793, 57969, 61731, 122379, 185193, 367137, 775067, 1101411, 2325201, 6975603, 20926809]

約数ペア:

[(1, 20926809), (3, 6975603), (9, 2325201), (19, 1101411), (27, 775067), (57, 367137), (113, 185193), (171, 122379), (339, 61731), (361, 57969), (513, 40793), (1017, 20577), (1083, 19323), (2147, 9747), (3051, 6859), (3249, 6441)]