20044284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128489}}^1$

素因数の和:128509

約数の個数: 24

約数和(自身を含む): 50368080

約数和(自身を除く): 30323796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128489, 256978, 385467, 513956, 770934, 1541868, 1670357, 3340714, 5011071, 6681428, 10022142, 20044284]

約数ペア:

[(1, 20044284), (2, 10022142), (3, 6681428), (4, 5011071), (6, 3340714), (12, 1670357), (13, 1541868), (26, 770934), (39, 513956), (52, 385467), (78, 256978), (156, 128489)]