20178115132

素因数分解:

$2^2\times 7^3\times {\mathrm{3823}}^1\times {\mathrm{3847}}^1$

素因数の和:7695

約数の個数: 48

約数和(自身を含む): 41201305600

約数和(自身を除く): 21023190468

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 3823, 3847, 7646, 7694, 15292, 15388, 26761, 26929, 53522, 53858, 107044, 107716, 187327, 188503, 374654, 377006, 749308, 754012, 1311289, 1319521, 2622578, 2639042, 5245156, 5278084, 14707081, 29414162, 58828324, 102949567, 205899134, 411798268, 720646969, 1441293938, 2882587876, 5044528783, 10089057566, 20178115132]

約数ペア:

[(1, 20178115132), (2, 10089057566), (4, 5044528783), (7, 2882587876), (14, 1441293938), (28, 720646969), (49, 411798268), (98, 205899134), (196, 102949567), (343, 58828324), (686, 29414162), (1372, 14707081), (3823, 5278084), (3847, 5245156), (7646, 2639042), (7694, 2622578), (15292, 1319521), (15388, 1311289), (26761, 754012), (26929, 749308), (53522, 377006), (53858, 374654), (107044, 188503), (107716, 187327)]