20815706072

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1831079}}^1$

素因数の和:1831128

約数の個数: 48

約数和(自身を含む): 46967202000

約数和(自身を除く): 26151495928

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 2842, 5684, 11368, 1831079, 3662158, 7324316, 12817553, 14648632, 25635106, 51270212, 53101291, 89722871, 102540424, 106202582, 179445742, 212405164, 358891484, 371709037, 424810328, 717782968, 743418074, 1486836148, 2601963259, 2973672296, 5203926518, 10407853036, 20815706072]

約数ペア:

[(1, 20815706072), (2, 10407853036), (4, 5203926518), (7, 2973672296), (8, 2601963259), (14, 1486836148), (28, 743418074), (29, 717782968), (49, 424810328), (56, 371709037), (58, 358891484), (98, 212405164), (116, 179445742), (196, 106202582), (203, 102540424), (232, 89722871), (392, 53101291), (406, 51270212), (812, 25635106), (1421, 14648632), (1624, 12817553), (2842, 7324316), (5684, 3662158), (11368, 1831079)]