20898404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3313}}^1$

素因数の和:3419

約数の個数: 24

約数和(自身を含む): 38972640

約数和(自身を除く): 18074236

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3313, 6308, 6626, 13252, 62947, 125894, 251788, 274979, 549958, 1099916, 5224601, 10449202, 20898404]

約数ペア:

[(1, 20898404), (2, 10449202), (4, 5224601), (19, 1099916), (38, 549958), (76, 274979), (83, 251788), (166, 125894), (332, 62947), (1577, 13252), (3154, 6626), (3313, 6308)]