20349774

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 45641232

約数和(自身を除く): 25291458

約数列:

[1, 2, 3, 6, 9, 18, 53, 83, 106, 159, 166, 249, 257, 318, 477, 498, 514, 747, 771, 954, 1494, 1542, 2313, 4399, 4626, 8798, 13197, 13621, 21331, 26394, 27242, 39591, 40863, 42662, 63993, 79182, 81726, 122589, 127986, 191979, 245178, 383958, 1130543, 2261086, 3391629, 6783258, 10174887, 20349774]

約数ペア:

[(1, 20349774), (2, 10174887), (3, 6783258), (6, 3391629), (9, 2261086), (18, 1130543), (53, 383958), (83, 245178), (106, 191979), (159, 127986), (166, 122589), (249, 81726), (257, 79182), (318, 63993), (477, 42662), (498, 40863), (514, 39591), (747, 27242), (771, 26394), (954, 21331), (1494, 13621), (1542, 13197), (2313, 8798), (4399, 4626)]