198572020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{242161}}^1$

素因数の和:242211

約数の個数: 24

約数和(自身を含む): 427173768

約数和(自身を除く): 228601748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 242161, 484322, 968644, 1210805, 2421610, 4843220, 9928601, 19857202, 39714404, 49643005, 99286010, 198572020]

約数ペア:

[(1, 198572020), (2, 99286010), (4, 49643005), (5, 39714404), (10, 19857202), (20, 9928601), (41, 4843220), (82, 2421610), (164, 1210805), (205, 968644), (410, 484322), (820, 242161)]