20376902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 38019072

約数和(自身を除く): 17642170

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1087, 1339, 1442, 2174, 2678, 7609, 9373, 14131, 15218, 18746, 28262, 98917, 111961, 197834, 223922, 783727, 1455493, 1567454, 2910986, 10188451, 20376902]

約数ペア:

[(1, 20376902), (2, 10188451), (7, 2910986), (13, 1567454), (14, 1455493), (26, 783727), (91, 223922), (103, 197834), (182, 111961), (206, 98917), (721, 28262), (1087, 18746), (1339, 15218), (1442, 14131), (2174, 9373), (2678, 7609)]