20038388

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13877}}^1$

素因数の和:13919

約数の個数: 18

約数和(自身を含む): 37012626

約数和(自身を除く): 16974238

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13877, 27754, 55508, 263663, 527326, 1054652, 5009597, 10019194, 20038388]

約数ペア:

[(1, 20038388), (2, 10019194), (4, 5009597), (19, 1054652), (38, 527326), (76, 263663), (361, 55508), (722, 27754), (1444, 13877)]