20050990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1596

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 18673490

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 1493, 2686, 2986, 6715, 7465, 13430, 14930, 25381, 50762, 117947, 126905, 235894, 253810, 589735, 1179470, 2005099, 4010198, 10025495, 20050990]

約数ペア:

[(1, 20050990), (2, 10025495), (5, 4010198), (10, 2005099), (17, 1179470), (34, 589735), (79, 253810), (85, 235894), (158, 126905), (170, 117947), (395, 50762), (790, 25381), (1343, 14930), (1493, 13430), (2686, 7465), (2986, 6715)]