20512278448

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{181409}}^1$

素因数の和:181645

約数の個数: 40

約数和(自身を含む): 41030588160

約数和(自身を除く): 20518309712

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 191, 296, 382, 592, 764, 1528, 3056, 7067, 14134, 28268, 56536, 113072, 181409, 362818, 725636, 1451272, 2902544, 6712133, 13424266, 26848532, 34649119, 53697064, 69298238, 107394128, 138596476, 277192952, 554385904, 1282017403, 2564034806, 5128069612, 10256139224, 20512278448]

約数ペア:

[(1, 20512278448), (2, 10256139224), (4, 5128069612), (8, 2564034806), (16, 1282017403), (37, 554385904), (74, 277192952), (148, 138596476), (191, 107394128), (296, 69298238), (382, 53697064), (592, 34649119), (764, 26848532), (1528, 13424266), (3056, 6712133), (7067, 2902544), (14134, 1451272), (28268, 725636), (56536, 362818), (113072, 181409)]