20541276

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{3019}}^1$

素因数の和:3045

約数の個数: 72

約数和(自身を含む): 61559680

約数和(自身を除く): 41018404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3019, 3402, 6038, 6804, 9057, 12076, 18114, 21133, 27171, 36228, 42266, 54342, 63399, 81513, 84532, 108684, 126798, 163026, 190197, 244539, 253596, 326052, 380394, 489078, 570591, 733617, 760788, 978156, 1141182, 1467234, 1711773, 2282364, 2934468, 3423546, 5135319, 6847092, 10270638, 20541276]

約数ペア:

[(1, 20541276), (2, 10270638), (3, 6847092), (4, 5135319), (6, 3423546), (7, 2934468), (9, 2282364), (12, 1711773), (14, 1467234), (18, 1141182), (21, 978156), (27, 760788), (28, 733617), (36, 570591), (42, 489078), (54, 380394), (63, 326052), (81, 253596), (84, 244539), (108, 190197), (126, 163026), (162, 126798), (189, 108684), (243, 84532), (252, 81513), (324, 63399), (378, 54342), (486, 42266), (567, 36228), (756, 27171), (972, 21133), (1134, 18114), (1701, 12076), (2268, 9057), (3019, 6804), (3402, 6038)]