20149914736

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2533943}}^1$

素因数の和:2534029

約数の個数: 40

約数和(自身を含む): 45246104064

約数和(自身を除く): 25096189328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 2533943, 5067886, 10135772, 17737601, 20271544, 35475202, 40543088, 70950404, 141900808, 179909953, 283801616, 359819906, 719639812, 1259369671, 1439279624, 2518739342, 2878559248, 5037478684, 10074957368, 20149914736]

約数ペア:

[(1, 20149914736), (2, 10074957368), (4, 5037478684), (7, 2878559248), (8, 2518739342), (14, 1439279624), (16, 1259369671), (28, 719639812), (56, 359819906), (71, 283801616), (112, 179909953), (142, 141900808), (284, 70950404), (497, 40543088), (568, 35475202), (994, 20271544), (1136, 17737601), (1988, 10135772), (3976, 5067886), (7952, 2533943)]