20801157020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148579693}}^1$

素因数の和:148579709

約数の個数: 24

約数和(自身を含む): 49922777184

約数和(自身を除く): 29121620164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148579693, 297159386, 594318772, 742898465, 1040057851, 1485796930, 2080115702, 2971593860, 4160231404, 5200289255, 10400578510, 20801157020]

約数ペア:

[(1, 20801157020), (2, 10400578510), (4, 5200289255), (5, 4160231404), (7, 2971593860), (10, 2080115702), (14, 1485796930), (20, 1040057851), (28, 742898465), (35, 594318772), (70, 297159386), (140, 148579693)]