20199089540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{159073}}^1$

素因数の和:159996

約数の個数: 48

約数和(自身を含む): 48531568512

約数和(自身を除く): 28332478972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 907, 1814, 3628, 4535, 6349, 9070, 12698, 18140, 25396, 31745, 63490, 126980, 159073, 318146, 636292, 795365, 1113511, 1590730, 2227022, 3181460, 4454044, 5567555, 11135110, 22270220, 144279211, 288558422, 577116844, 721396055, 1009954477, 1442792110, 2019908954, 2885584220, 4039817908, 5049772385, 10099544770, 20199089540]

約数ペア:

[(1, 20199089540), (2, 10099544770), (4, 5049772385), (5, 4039817908), (7, 2885584220), (10, 2019908954), (14, 1442792110), (20, 1009954477), (28, 721396055), (35, 577116844), (70, 288558422), (140, 144279211), (907, 22270220), (1814, 11135110), (3628, 5567555), (4535, 4454044), (6349, 3181460), (9070, 2227022), (12698, 1590730), (18140, 1113511), (25396, 795365), (31745, 636292), (63490, 318146), (126980, 159073)]