20278224

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2657}}^1$

素因数の和:2724

約数の個数: 60

約数和(自身を含む): 57843396

約数和(自身を除く): 37565172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2657, 3816, 5314, 7632, 7971, 10628, 15942, 21256, 23913, 31884, 42512, 47826, 63768, 95652, 127536, 140821, 191304, 281642, 382608, 422463, 563284, 844926, 1126568, 1267389, 1689852, 2253136, 2534778, 3379704, 5069556, 6759408, 10139112, 20278224]

約数ペア:

[(1, 20278224), (2, 10139112), (3, 6759408), (4, 5069556), (6, 3379704), (8, 2534778), (9, 2253136), (12, 1689852), (16, 1267389), (18, 1126568), (24, 844926), (36, 563284), (48, 422463), (53, 382608), (72, 281642), (106, 191304), (144, 140821), (159, 127536), (212, 95652), (318, 63768), (424, 47826), (477, 42512), (636, 31884), (848, 23913), (954, 21256), (1272, 15942), (1908, 10628), (2544, 7971), (2657, 7632), (3816, 5314)]