20537076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 56881440

約数和(自身を除く): 36344364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 659, 742, 1113, 1318, 1484, 1977, 2226, 2597, 2636, 3954, 4452, 4613, 5194, 7791, 7908, 9226, 10388, 13839, 15582, 18452, 27678, 31164, 32291, 34927, 55356, 64582, 69854, 96873, 104781, 129164, 139708, 193746, 209562, 244489, 387492, 419124, 488978, 733467, 977956, 1466934, 1711423, 2933868, 3422846, 5134269, 6845692, 10268538, 20537076]

約数ペア:

[(1, 20537076), (2, 10268538), (3, 6845692), (4, 5134269), (6, 3422846), (7, 2933868), (12, 1711423), (14, 1466934), (21, 977956), (28, 733467), (42, 488978), (49, 419124), (53, 387492), (84, 244489), (98, 209562), (106, 193746), (147, 139708), (159, 129164), (196, 104781), (212, 96873), (294, 69854), (318, 64582), (371, 55356), (588, 34927), (636, 32291), (659, 31164), (742, 27678), (1113, 18452), (1318, 15582), (1484, 13839), (1977, 10388), (2226, 9226), (2597, 7908), (2636, 7791), (3954, 5194), (4452, 4613)]