20508717295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1\times {\mathrm{29207}}^1$

素因数の和:29991

約数の個数: 32

約数和(自身を含む): 28465883136

約数和(自身を除く): 7957165841

約数列:

[1, 5, 11, 17, 55, 85, 187, 751, 935, 3755, 8261, 12767, 29207, 41305, 63835, 140437, 146035, 321277, 496519, 702185, 1606385, 2482595, 5461709, 21934457, 27308545, 109672285, 241279027, 372885769, 1206395135, 1864428845, 4101743459, 20508717295]

約数ペア:

[(1, 20508717295), (5, 4101743459), (11, 1864428845), (17, 1206395135), (55, 372885769), (85, 241279027), (187, 109672285), (751, 27308545), (935, 21934457), (3755, 5461709), (8261, 2482595), (12767, 1606385), (29207, 702185), (41305, 496519), (63835, 321277), (140437, 146035)]