20172597956

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{58237}}^1$

素因数の和:58476

約数の個数: 48

約数和(自身を含む): 41092732800

約数和(自身を除く): 20920134844

約数列:

[1, 2, 4, 7, 14, 28, 89, 139, 178, 278, 356, 556, 623, 973, 1246, 1946, 2492, 3892, 12371, 24742, 49484, 58237, 86597, 116474, 173194, 232948, 346388, 407659, 815318, 1630636, 5183093, 8094943, 10366186, 16189886, 20732372, 32379772, 36281651, 56664601, 72563302, 113329202, 145126604, 226658404, 720449927, 1440899854, 2881799708, 5043149489, 10086298978, 20172597956]

約数ペア:

[(1, 20172597956), (2, 10086298978), (4, 5043149489), (7, 2881799708), (14, 1440899854), (28, 720449927), (89, 226658404), (139, 145126604), (178, 113329202), (278, 72563302), (356, 56664601), (556, 36281651), (623, 32379772), (973, 20732372), (1246, 16189886), (1946, 10366186), (2492, 8094943), (3892, 5183093), (12371, 1630636), (24742, 815318), (49484, 407659), (58237, 346388), (86597, 232948), (116474, 173194)]