20919048

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^2\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 54098640

約数和(自身を除く): 33179592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 907, 961, 1814, 1922, 2721, 2883, 3628, 3844, 5442, 5766, 7256, 7688, 10884, 11532, 21768, 23064, 28117, 56234, 84351, 112468, 168702, 224936, 337404, 674808, 871627, 1743254, 2614881, 3486508, 5229762, 6973016, 10459524, 20919048]

約数ペア:

[(1, 20919048), (2, 10459524), (3, 6973016), (4, 5229762), (6, 3486508), (8, 2614881), (12, 1743254), (24, 871627), (31, 674808), (62, 337404), (93, 224936), (124, 168702), (186, 112468), (248, 84351), (372, 56234), (744, 28117), (907, 23064), (961, 21768), (1814, 11532), (1922, 10884), (2721, 7688), (2883, 7256), (3628, 5766), (3844, 5442)]