20984313632

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{997}}^1\times {\mathrm{5179}}^1$

素因数の和:6313

約数の個数: 48

約数和(自身を含む): 41687976960

約数和(自身を除く): 20703663328

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 997, 1016, 1994, 2032, 3988, 4064, 5179, 7976, 10358, 15952, 20716, 31904, 41432, 82864, 126619, 165728, 253238, 506476, 657733, 1012952, 1315466, 2025904, 2630932, 4051808, 5163463, 5261864, 10326926, 10523728, 20653852, 21047456, 41307704, 82615408, 165230816, 655759801, 1311519602, 2623039204, 5246078408, 10492156816, 20984313632]

約数ペア:

[(1, 20984313632), (2, 10492156816), (4, 5246078408), (8, 2623039204), (16, 1311519602), (32, 655759801), (127, 165230816), (254, 82615408), (508, 41307704), (997, 21047456), (1016, 20653852), (1994, 10523728), (2032, 10326926), (3988, 5261864), (4064, 5163463), (5179, 4051808), (7976, 2630932), (10358, 2025904), (15952, 1315466), (20716, 1012952), (31904, 657733), (41432, 506476), (82864, 253238), (126619, 165728)]