20968668

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11887}}^1$

素因数の和:11911

約数の個数: 54

約数和(自身を含む): 61663056

約数和(自身を除く): 40694388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11887, 23774, 35661, 47548, 71322, 83209, 106983, 142644, 166418, 213966, 249627, 332836, 427932, 499254, 582463, 748881, 998508, 1164926, 1497762, 1747389, 2329852, 2995524, 3494778, 5242167, 6989556, 10484334, 20968668]

約数ペア:

[(1, 20968668), (2, 10484334), (3, 6989556), (4, 5242167), (6, 3494778), (7, 2995524), (9, 2329852), (12, 1747389), (14, 1497762), (18, 1164926), (21, 998508), (28, 748881), (36, 582463), (42, 499254), (49, 427932), (63, 332836), (84, 249627), (98, 213966), (126, 166418), (147, 142644), (196, 106983), (252, 83209), (294, 71322), (441, 47548), (588, 35661), (882, 23774), (1764, 11887)]