20347573675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{25523}}^1$

素因数の和:25780

約数の個数: 48

約数和(自身を含む): 29776094208

約数和(自身を除く): 9428520533

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 223, 275, 325, 715, 1115, 2453, 2899, 3575, 5575, 12265, 14495, 25523, 31889, 61325, 72475, 127615, 159445, 280753, 331799, 638075, 797225, 1403765, 1658995, 3649789, 5691629, 7018825, 8294975, 18248945, 28458145, 62607919, 73991177, 91244725, 142290725, 313039595, 369955885, 813902947, 1565197975, 1849779425, 4069514735, 20347573675]

約数ペア:

[(1, 20347573675), (5, 4069514735), (11, 1849779425), (13, 1565197975), (25, 813902947), (55, 369955885), (65, 313039595), (143, 142290725), (223, 91244725), (275, 73991177), (325, 62607919), (715, 28458145), (1115, 18248945), (2453, 8294975), (2899, 7018825), (3575, 5691629), (5575, 3649789), (12265, 1658995), (14495, 1403765), (25523, 797225), (31889, 638075), (61325, 331799), (72475, 280753), (127615, 159445)]