20565722877

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{146539}}^1$

素因数の和:146753

約数の個数: 32

約数和(自身を含む): 32299760640

約数和(自身を除く): 11734037763

約数列:

[1, 3, 7, 21, 41, 123, 163, 287, 489, 861, 1141, 3423, 6683, 20049, 46781, 140343, 146539, 439617, 1025773, 3077319, 6008099, 18024297, 23885857, 42056693, 71657571, 126170079, 167200999, 501602997, 979320137, 2937960411, 6855240959, 20565722877]

約数ペア:

[(1, 20565722877), (3, 6855240959), (7, 2937960411), (21, 979320137), (41, 501602997), (123, 167200999), (163, 126170079), (287, 71657571), (489, 42056693), (861, 23885857), (1141, 18024297), (3423, 6008099), (6683, 3077319), (20049, 1025773), (46781, 439617), (140343, 146539)]