20693301

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 9788619

約数列:

[1, 3, 17, 47, 51, 89, 97, 141, 267, 291, 799, 1513, 1649, 2397, 4183, 4539, 4559, 4947, 8633, 12549, 13677, 25899, 71111, 77503, 146761, 213333, 232509, 405751, 440283, 1217253, 6897767, 20693301]

約数ペア:

[(1, 20693301), (3, 6897767), (17, 1217253), (47, 440283), (51, 405751), (89, 232509), (97, 213333), (141, 146761), (267, 77503), (291, 71111), (799, 25899), (1513, 13677), (1649, 12549), (2397, 8633), (4183, 4947), (4539, 4559)]