20906184

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 57839040

約数和(自身を除く): 36932856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1811, 1924, 2886, 3622, 3848, 5433, 5772, 7244, 10866, 11544, 14488, 21732, 23543, 43464, 47086, 67007, 70629, 94172, 134014, 141258, 188344, 201021, 268028, 282516, 402042, 536056, 565032, 804084, 871091, 1608168, 1742182, 2613273, 3484364, 5226546, 6968728, 10453092, 20906184]

約数ペア:

[(1, 20906184), (2, 10453092), (3, 6968728), (4, 5226546), (6, 3484364), (8, 2613273), (12, 1742182), (13, 1608168), (24, 871091), (26, 804084), (37, 565032), (39, 536056), (52, 402042), (74, 282516), (78, 268028), (104, 201021), (111, 188344), (148, 141258), (156, 134014), (222, 94172), (296, 70629), (312, 67007), (444, 47086), (481, 43464), (888, 23543), (962, 21732), (1443, 14488), (1811, 11544), (1924, 10866), (2886, 7244), (3622, 5772), (3848, 5433)]