20139544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3581}}^1$

素因数の和:3643

約数の個数: 32

約数和(自身を含む): 40834800

約数和(自身を除く): 20695256

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3581, 5624, 7162, 14324, 28648, 68039, 132497, 136078, 264994, 272156, 529988, 544312, 1059976, 2517443, 5034886, 10069772, 20139544]

約数ペア:

[(1, 20139544), (2, 10069772), (4, 5034886), (8, 2517443), (19, 1059976), (37, 544312), (38, 529988), (74, 272156), (76, 264994), (148, 136078), (152, 132497), (296, 68039), (703, 28648), (1406, 14324), (2812, 7162), (3581, 5624)]