20366493

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 33281280

約数和(自身を除く): 12914787

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 641, 1513, 1869, 1923, 4487, 4539, 10591, 10897, 13461, 31773, 32691, 57049, 76279, 171147, 228837, 399343, 969833, 1198029, 2909499, 6788831, 20366493]

約数ペア:

[(1, 20366493), (3, 6788831), (7, 2909499), (17, 1198029), (21, 969833), (51, 399343), (89, 228837), (119, 171147), (267, 76279), (357, 57049), (623, 32691), (641, 31773), (1513, 13461), (1869, 10897), (1923, 10591), (4487, 4539)]