20176894075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{4177}}^1$

素因数の和:4456

約数の個数: 48

約数和(自身を含む): 27416370240

約数和(自身を除く): 7239476165

約数列:

[1, 5, 13, 25, 65, 89, 167, 325, 445, 835, 1157, 2171, 2225, 4175, 4177, 5785, 10855, 14863, 20885, 28925, 54275, 54301, 74315, 104425, 193219, 271505, 371575, 371753, 697559, 966095, 1357525, 1858765, 3487795, 4830475, 4832789, 9068267, 9293825, 17438975, 24163945, 45341335, 62082751, 120819725, 226706675, 310413755, 807075763, 1552068775, 4035378815, 20176894075]

約数ペア:

[(1, 20176894075), (5, 4035378815), (13, 1552068775), (25, 807075763), (65, 310413755), (89, 226706675), (167, 120819725), (325, 62082751), (445, 45341335), (835, 24163945), (1157, 17438975), (2171, 9293825), (2225, 9068267), (4175, 4832789), (4177, 4830475), (5785, 3487795), (10855, 1858765), (14863, 1357525), (20885, 966095), (28925, 697559), (54275, 371753), (54301, 371575), (74315, 271505), (104425, 193219)]