20135925

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 38628480

約数和(自身を除く): 18492555

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1297, 1725, 3105, 3891, 5175, 6485, 11673, 15525, 19455, 29831, 32425, 35019, 58365, 89493, 97275, 149155, 175095, 268479, 291825, 447465, 745775, 805437, 875475, 1342395, 2237325, 4027185, 6711975, 20135925]

約数ペア:

[(1, 20135925), (3, 6711975), (5, 4027185), (9, 2237325), (15, 1342395), (23, 875475), (25, 805437), (27, 745775), (45, 447465), (69, 291825), (75, 268479), (115, 175095), (135, 149155), (207, 97275), (225, 89493), (345, 58365), (575, 35019), (621, 32425), (675, 29831), (1035, 19455), (1297, 15525), (1725, 11673), (3105, 6485), (3891, 5175)]