20123388

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7873}}^1$

素因数の和:7954

約数の個数: 36

約数和(自身を含む): 51590448

約数和(自身を除く): 31467060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7873, 15746, 23619, 31492, 47238, 70857, 94476, 141714, 283428, 558983, 1117966, 1676949, 2235932, 3353898, 5030847, 6707796, 10061694, 20123388]

約数ペア:

[(1, 20123388), (2, 10061694), (3, 6707796), (4, 5030847), (6, 3353898), (9, 2235932), (12, 1676949), (18, 1117966), (36, 558983), (71, 283428), (142, 141714), (213, 94476), (284, 70857), (426, 47238), (639, 31492), (852, 23619), (1278, 15746), (2556, 7873)]