20091764

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9319}}^1$

素因数の和:9348

約数の個数: 36

約数和(自身を含む): 44624160

約数和(自身を除く): 24532396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9319, 18638, 37276, 65233, 102509, 130466, 205018, 260932, 410036, 456631, 717563, 913262, 1435126, 1826524, 2870252, 5022941, 10045882, 20091764]

約数ペア:

[(1, 20091764), (2, 10045882), (4, 5022941), (7, 2870252), (11, 1826524), (14, 1435126), (22, 913262), (28, 717563), (44, 456631), (49, 410036), (77, 260932), (98, 205018), (154, 130466), (196, 102509), (308, 65233), (539, 37276), (1078, 18638), (2156, 9319)]