20036240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 54734592

約数和(自身を除く): 34698352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 967, 1036, 1295, 1480, 1934, 2072, 2590, 2960, 3868, 4144, 4835, 5180, 6769, 7736, 9670, 10360, 13538, 15472, 19340, 20720, 27076, 33845, 35779, 38680, 54152, 67690, 71558, 77360, 108304, 135380, 143116, 178895, 250453, 270760, 286232, 357790, 500906, 541520, 572464, 715580, 1001812, 1252265, 1431160, 2003624, 2504530, 2862320, 4007248, 5009060, 10018120, 20036240]

約数ペア:

[(1, 20036240), (2, 10018120), (4, 5009060), (5, 4007248), (7, 2862320), (8, 2504530), (10, 2003624), (14, 1431160), (16, 1252265), (20, 1001812), (28, 715580), (35, 572464), (37, 541520), (40, 500906), (56, 357790), (70, 286232), (74, 270760), (80, 250453), (112, 178895), (140, 143116), (148, 135380), (185, 108304), (259, 77360), (280, 71558), (296, 67690), (370, 54152), (518, 38680), (560, 35779), (592, 33845), (740, 27076), (967, 20720), (1036, 19340), (1295, 15472), (1480, 13538), (1934, 10360), (2072, 9670), (2590, 7736), (2960, 6769), (3868, 5180), (4144, 4835)]