20189890714

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{12919}}^1$

素因数の和:13403

約数の個数: 48

約数和(自身を含む): 36268197120

約数和(自身を除く): 16078306406

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 431, 518, 862, 1813, 3017, 3626, 6034, 12919, 15947, 21119, 25838, 31894, 42238, 90433, 111629, 180866, 223258, 478003, 633031, 781403, 956006, 1266062, 1562806, 3346021, 5568089, 6692042, 11136178, 23422147, 38976623, 46844294, 77953246, 206019293, 272836361, 412038586, 545672722, 1442135051, 2884270102, 10094945357, 20189890714]

約数ペア:

[(1, 20189890714), (2, 10094945357), (7, 2884270102), (14, 1442135051), (37, 545672722), (49, 412038586), (74, 272836361), (98, 206019293), (259, 77953246), (431, 46844294), (518, 38976623), (862, 23422147), (1813, 11136178), (3017, 6692042), (3626, 5568089), (6034, 3346021), (12919, 1562806), (15947, 1266062), (21119, 956006), (25838, 781403), (31894, 633031), (42238, 478003), (90433, 223258), (111629, 180866)]