20754636

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 57609216

約数和(自身を除く): 36854580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 751, 987, 1316, 1502, 1974, 2253, 2303, 3004, 3948, 4506, 4606, 5257, 6909, 9012, 9212, 10514, 13818, 15771, 21028, 27636, 31542, 35297, 36799, 63084, 70594, 73598, 105891, 110397, 141188, 147196, 211782, 220794, 247079, 423564, 441588, 494158, 741237, 988316, 1482474, 1729553, 2964948, 3459106, 5188659, 6918212, 10377318, 20754636]

約数ペア:

[(1, 20754636), (2, 10377318), (3, 6918212), (4, 5188659), (6, 3459106), (7, 2964948), (12, 1729553), (14, 1482474), (21, 988316), (28, 741237), (42, 494158), (47, 441588), (49, 423564), (84, 247079), (94, 220794), (98, 211782), (141, 147196), (147, 141188), (188, 110397), (196, 105891), (282, 73598), (294, 70594), (329, 63084), (564, 36799), (588, 35297), (658, 31542), (751, 27636), (987, 21028), (1316, 15771), (1502, 13818), (1974, 10514), (2253, 9212), (2303, 9012), (3004, 6909), (3948, 5257), (4506, 4606)]