20280491268

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1\times {\mathrm{15749}}^1$

素因数の和:16444

約数の個数: 48

約数和(自身を含む): 47628000000

約数和(自身を除く): 27347508732

約数列:

[1, 2, 3, 4, 6, 12, 239, 449, 478, 717, 898, 956, 1347, 1434, 1796, 2694, 2868, 5388, 15749, 31498, 47247, 62996, 94494, 107311, 188988, 214622, 321933, 429244, 643866, 1287732, 3764011, 7071301, 7528022, 11292033, 14142602, 15056044, 21213903, 22584066, 28285204, 42427806, 45168132, 84855612, 1690040939, 3380081878, 5070122817, 6760163756, 10140245634, 20280491268]

約数ペア:

[(1, 20280491268), (2, 10140245634), (3, 6760163756), (4, 5070122817), (6, 3380081878), (12, 1690040939), (239, 84855612), (449, 45168132), (478, 42427806), (717, 28285204), (898, 22584066), (956, 21213903), (1347, 15056044), (1434, 14142602), (1796, 11292033), (2694, 7528022), (2868, 7071301), (5388, 3764011), (15749, 1287732), (31498, 643866), (47247, 429244), (62996, 321933), (94494, 214622), (107311, 188988)]