2020105425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{35117}}^1$

素因数の和:35202

約数の個数: 48

約数和(自身を含む): 3657890880

約数和(自身を除く): 1637785455

約数列:

[1, 3, 5, 13, 15, 25, 39, 59, 65, 75, 177, 195, 295, 325, 767, 885, 975, 1475, 2301, 3835, 4425, 11505, 19175, 35117, 57525, 105351, 175585, 456521, 526755, 877925, 1369563, 2071903, 2282605, 2633775, 6215709, 6847815, 10359515, 11413025, 26934739, 31078545, 34239075, 51797575, 80804217, 134673695, 155392725, 404021085, 673368475, 2020105425]

約数ペア:

[(1, 2020105425), (3, 673368475), (5, 404021085), (13, 155392725), (15, 134673695), (25, 80804217), (39, 51797575), (59, 34239075), (65, 31078545), (75, 26934739), (177, 11413025), (195, 10359515), (295, 6847815), (325, 6215709), (767, 2633775), (885, 2282605), (975, 2071903), (1475, 1369563), (2301, 877925), (3835, 526755), (4425, 456521), (11505, 175585), (19175, 105351), (35117, 57525)]