20262676

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1543}}^1$

素因数の和:1628

約数の個数: 36

約数和(自身を含む): 41891808

約数和(自身を除く): 21629132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1543, 1876, 3086, 3283, 6172, 6566, 10801, 13132, 21602, 43204, 75607, 103381, 151214, 206762, 302428, 413524, 723667, 1447334, 2894668, 5065669, 10131338, 20262676]

約数ペア:

[(1, 20262676), (2, 10131338), (4, 5065669), (7, 2894668), (14, 1447334), (28, 723667), (49, 413524), (67, 302428), (98, 206762), (134, 151214), (196, 103381), (268, 75607), (469, 43204), (938, 21602), (1543, 13132), (1876, 10801), (3086, 6566), (3283, 6172)]