20451312

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6763}}^1$

素因数の和:6787

約数の個数: 80

約数和(自身を含む): 67098880

約数和(自身を除く): 46647568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6763, 13526, 20289, 27052, 40578, 47341, 54104, 60867, 81156, 94682, 108208, 121734, 142023, 162312, 182601, 189364, 243468, 284046, 324624, 365202, 378728, 426069, 486936, 568092, 730404, 757456, 852138, 973872, 1136184, 1278207, 1460808, 1704276, 2272368, 2556414, 2921616, 3408552, 5112828, 6817104, 10225656, 20451312]

約数ペア:

[(1, 20451312), (2, 10225656), (3, 6817104), (4, 5112828), (6, 3408552), (7, 2921616), (8, 2556414), (9, 2272368), (12, 1704276), (14, 1460808), (16, 1278207), (18, 1136184), (21, 973872), (24, 852138), (27, 757456), (28, 730404), (36, 568092), (42, 486936), (48, 426069), (54, 378728), (56, 365202), (63, 324624), (72, 284046), (84, 243468), (108, 189364), (112, 182601), (126, 162312), (144, 142023), (168, 121734), (189, 108208), (216, 94682), (252, 81156), (336, 60867), (378, 54104), (432, 47341), (504, 40578), (756, 27052), (1008, 20289), (1512, 13526), (3024, 6763)]