20397411839

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{10301}}^1$

素因数の和:10596

約数の個数: 32

約数和(自身を含む): 24922598400

約数和(自身を除く): 4525186561

約数列:

[1, 7, 23, 49, 161, 251, 343, 1127, 1757, 5773, 7889, 10301, 12299, 40411, 72107, 86093, 236923, 282877, 504749, 1658461, 1980139, 2585551, 3533243, 11609227, 18098857, 59467673, 81264589, 126691999, 416273711, 886843993, 2913915977, 20397411839]

約数ペア:

[(1, 20397411839), (7, 2913915977), (23, 886843993), (49, 416273711), (161, 126691999), (251, 81264589), (343, 59467673), (1127, 18098857), (1757, 11609227), (5773, 3533243), (7889, 2585551), (10301, 1980139), (12299, 1658461), (40411, 504749), (72107, 282877), (86093, 236923)]