20392375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 27361152

約数和(自身を除く): 6968777

約数列:

[1, 5, 23, 25, 41, 115, 125, 173, 205, 575, 865, 943, 1025, 2875, 3979, 4325, 4715, 5125, 7093, 19895, 21625, 23575, 35465, 99475, 117875, 163139, 177325, 497375, 815695, 886625, 4078475, 20392375]

約数ペア:

[(1, 20392375), (5, 4078475), (23, 886625), (25, 815695), (41, 497375), (115, 177325), (125, 163139), (173, 117875), (205, 99475), (575, 35465), (865, 23575), (943, 21625), (1025, 19895), (2875, 7093), (3979, 5125), (4325, 4715)]