20399099

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 26199936

約数和(自身を除く): 5800837

約数列:

[1, 7, 17, 37, 41, 113, 119, 259, 287, 629, 697, 791, 1517, 1921, 4181, 4403, 4633, 4879, 10619, 13447, 25789, 29267, 32431, 71077, 78761, 171421, 180523, 497539, 551327, 1199947, 2914157, 20399099]

約数ペア:

[(1, 20399099), (7, 2914157), (17, 1199947), (37, 551327), (41, 497539), (113, 180523), (119, 171421), (259, 78761), (287, 71077), (629, 32431), (697, 29267), (791, 25789), (1517, 13447), (1921, 10619), (4181, 4879), (4403, 4633)]