20766672

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:977

約数の個数: 80

約数和(自身を含む): 60799680

約数和(自身を除く): 40033008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 907, 954, 1272, 1431, 1814, 1908, 2544, 2721, 2862, 3628, 3816, 5442, 5724, 7256, 7632, 8163, 10884, 11448, 14512, 16326, 21768, 22896, 24489, 32652, 43536, 48071, 48978, 65304, 96142, 97956, 130608, 144213, 192284, 195912, 288426, 384568, 391824, 432639, 576852, 769136, 865278, 1153704, 1297917, 1730556, 2307408, 2595834, 3461112, 5191668, 6922224, 10383336, 20766672]

約数ペア:

[(1, 20766672), (2, 10383336), (3, 6922224), (4, 5191668), (6, 3461112), (8, 2595834), (9, 2307408), (12, 1730556), (16, 1297917), (18, 1153704), (24, 865278), (27, 769136), (36, 576852), (48, 432639), (53, 391824), (54, 384568), (72, 288426), (106, 195912), (108, 192284), (144, 144213), (159, 130608), (212, 97956), (216, 96142), (318, 65304), (424, 48978), (432, 48071), (477, 43536), (636, 32652), (848, 24489), (907, 22896), (954, 21768), (1272, 16326), (1431, 14512), (1814, 11448), (1908, 10884), (2544, 8163), (2721, 7632), (2862, 7256), (3628, 5724), (3816, 5442)]