20108689916

素因数分解:

$2^2\times 7^1\times {\mathrm{4001}}^1\times {\mathrm{179497}}^1$

素因数の和:183509

約数の個数: 24

約数和(自身を含む): 40227655776

約数和(自身を除く): 20118965860

約数列:

[1, 2, 4, 7, 14, 28, 4001, 8002, 16004, 28007, 56014, 112028, 179497, 358994, 717988, 1256479, 2512958, 5025916, 718167497, 1436334994, 2872669988, 5027172479, 10054344958, 20108689916]

約数ペア:

[(1, 20108689916), (2, 10054344958), (4, 5027172479), (7, 2872669988), (14, 1436334994), (28, 718167497), (4001, 5025916), (8002, 2512958), (16004, 1256479), (28007, 717988), (56014, 358994), (112028, 179497)]