20572656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32969}}^1$

素因数の和:32993

約数の個数: 40

約数和(自身を含む): 57235920

約数和(自身を除く): 36663264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32969, 65938, 98907, 131876, 197814, 263752, 395628, 428597, 527504, 791256, 857194, 1285791, 1582512, 1714388, 2571582, 3428776, 5143164, 6857552, 10286328, 20572656]

約数ペア:

[(1, 20572656), (2, 10286328), (3, 6857552), (4, 5143164), (6, 3428776), (8, 2571582), (12, 1714388), (13, 1582512), (16, 1285791), (24, 857194), (26, 791256), (39, 527504), (48, 428597), (52, 395628), (78, 263752), (104, 197814), (156, 131876), (208, 98907), (312, 65938), (624, 32969)]