20081736

素因数分解:

$2^3\times 3^3\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 36078264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 239, 389, 478, 717, 778, 956, 1167, 1434, 1556, 1912, 2151, 2334, 2868, 3112, 3501, 4302, 4668, 5736, 6453, 7002, 8604, 9336, 10503, 12906, 14004, 17208, 21006, 25812, 28008, 42012, 51624, 84024, 92971, 185942, 278913, 371884, 557826, 743768, 836739, 1115652, 1673478, 2231304, 2510217, 3346956, 5020434, 6693912, 10040868, 20081736]

約数ペア:

[(1, 20081736), (2, 10040868), (3, 6693912), (4, 5020434), (6, 3346956), (8, 2510217), (9, 2231304), (12, 1673478), (18, 1115652), (24, 836739), (27, 743768), (36, 557826), (54, 371884), (72, 278913), (108, 185942), (216, 92971), (239, 84024), (389, 51624), (478, 42012), (717, 28008), (778, 25812), (956, 21006), (1167, 17208), (1434, 14004), (1556, 12906), (1912, 10503), (2151, 9336), (2334, 8604), (2868, 7002), (3112, 6453), (3501, 5736), (4302, 4668)]