20211588

素因数分解:

$2^2\times 3^2\times {\mathrm{619}}^1\times {\mathrm{907}}^1$

素因数の和:1536

約数の個数: 36

約数和(自身を含む): 51229360

約数和(自身を除く): 31017772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 619, 907, 1238, 1814, 1857, 2476, 2721, 3628, 3714, 5442, 5571, 7428, 8163, 10884, 11142, 16326, 22284, 32652, 561433, 1122866, 1684299, 2245732, 3368598, 5052897, 6737196, 10105794, 20211588]

約数ペア:

[(1, 20211588), (2, 10105794), (3, 6737196), (4, 5052897), (6, 3368598), (9, 2245732), (12, 1684299), (18, 1122866), (36, 561433), (619, 32652), (907, 22284), (1238, 16326), (1814, 11142), (1857, 10884), (2476, 8163), (2721, 7428), (3628, 5571), (3714, 5442)]