20352375

素因数分解:

$3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 37315200

約数和(自身を除く): 16962825

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 125, 225, 229, 237, 375, 395, 687, 711, 1125, 1145, 1185, 1975, 2061, 3435, 3555, 5725, 5925, 9875, 10305, 17175, 17775, 18091, 28625, 29625, 51525, 54273, 85875, 88875, 90455, 162819, 257625, 271365, 452275, 814095, 1356825, 2261375, 4070475, 6784125, 20352375]

約数ペア:

[(1, 20352375), (3, 6784125), (5, 4070475), (9, 2261375), (15, 1356825), (25, 814095), (45, 452275), (75, 271365), (79, 257625), (125, 162819), (225, 90455), (229, 88875), (237, 85875), (375, 54273), (395, 51525), (687, 29625), (711, 28625), (1125, 18091), (1145, 17775), (1185, 17175), (1975, 10305), (2061, 9875), (3435, 5925), (3555, 5725)]