20775398

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{941}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 17206042

約数列:

[1, 2, 7, 14, 19, 38, 83, 133, 166, 266, 581, 941, 1162, 1577, 1882, 3154, 6587, 11039, 13174, 17879, 22078, 35758, 78103, 125153, 156206, 250306, 546721, 1093442, 1483957, 2967914, 10387699, 20775398]

約数ペア:

[(1, 20775398), (2, 10387699), (7, 2967914), (14, 1483957), (19, 1093442), (38, 546721), (83, 250306), (133, 156206), (166, 125153), (266, 78103), (581, 35758), (941, 22078), (1162, 17879), (1577, 13174), (1882, 11039), (3154, 6587)]