20731625124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{890993}}^1$

素因数の和:891284

約数の個数: 48

約数和(自身を含む): 55483978368

約数和(自身を除く): 34752353244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 277, 554, 831, 1108, 1662, 1939, 3324, 3878, 5817, 7756, 11634, 23268, 890993, 1781986, 2672979, 3563972, 5345958, 6236951, 10691916, 12473902, 18710853, 24947804, 37421706, 74843412, 246805061, 493610122, 740415183, 987220244, 1480830366, 1727635427, 2961660732, 3455270854, 5182906281, 6910541708, 10365812562, 20731625124]

約数ペア:

[(1, 20731625124), (2, 10365812562), (3, 6910541708), (4, 5182906281), (6, 3455270854), (7, 2961660732), (12, 1727635427), (14, 1480830366), (21, 987220244), (28, 740415183), (42, 493610122), (84, 246805061), (277, 74843412), (554, 37421706), (831, 24947804), (1108, 18710853), (1662, 12473902), (1939, 10691916), (3324, 6236951), (3878, 5345958), (5817, 3563972), (7756, 2672979), (11634, 1781986), (23268, 890993)]