20926941

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 34203648

約数和(自身を除く): 13276707

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1171, 2553, 3513, 5957, 8197, 17871, 24591, 26933, 43327, 80799, 129981, 188531, 303289, 565593, 909867, 996521, 2989563, 6975647, 20926941]

約数ペア:

[(1, 20926941), (3, 6975647), (7, 2989563), (21, 996521), (23, 909867), (37, 565593), (69, 303289), (111, 188531), (161, 129981), (259, 80799), (483, 43327), (777, 26933), (851, 24591), (1171, 17871), (2553, 8197), (3513, 5957)]