20700158

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3919}}^1$

素因数の和:4079

約数の個数: 16

約数和(自身を含む): 32928000

約数和(自身を除く): 12227842

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3919, 5282, 7838, 74461, 148922, 544741, 1089482, 10350079, 20700158]

約数ペア:

[(1, 20700158), (2, 10350079), (19, 1089482), (38, 544741), (139, 148922), (278, 74461), (2641, 7838), (3919, 5282)]