20486533837

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 28260691200

約数和(自身を除く): 7774157363

約数列:

[1, 7, 11, 19, 41, 61, 77, 121, 133, 209, 287, 427, 451, 509, 671, 779, 847, 1159, 1463, 2299, 2501, 3157, 3563, 4697, 4961, 5453, 5599, 7381, 8113, 8569, 9671, 12749, 16093, 17507, 20869, 27511, 31049, 34727, 39193, 47519, 51667, 59983, 61589, 67697, 89243, 94259, 106381, 140239, 146083, 192577, 217343, 229559, 302621, 332633, 341539, 396511, 431123, 522709, 589931, 659813, 744667, 981673, 1170191, 1273009, 1606913, 2118347, 2390773, 2525149, 2775577, 3658963, 3756929, 4129517, 4361621, 5749799, 6489241, 8191337, 8911063, 14003099, 17676043, 24187171, 26298503, 30531347, 40248593, 45424687, 47977831, 71381651, 98021693, 154034089, 169310197, 266058881, 335844817, 499671557, 1078238623, 1862412167, 2926647691, 20486533837]

約数ペア:

[(1, 20486533837), (7, 2926647691), (11, 1862412167), (19, 1078238623), (41, 499671557), (61, 335844817), (77, 266058881), (121, 169310197), (133, 154034089), (209, 98021693), (287, 71381651), (427, 47977831), (451, 45424687), (509, 40248593), (671, 30531347), (779, 26298503), (847, 24187171), (1159, 17676043), (1463, 14003099), (2299, 8911063), (2501, 8191337), (3157, 6489241), (3563, 5749799), (4697, 4361621), (4961, 4129517), (5453, 3756929), (5599, 3658963), (7381, 2775577), (8113, 2525149), (8569, 2390773), (9671, 2118347), (12749, 1606913), (16093, 1273009), (17507, 1170191), (20869, 981673), (27511, 744667), (31049, 659813), (34727, 589931), (39193, 522709), (47519, 431123), (51667, 396511), (59983, 341539), (61589, 332633), (67697, 302621), (89243, 229559), (94259, 217343), (106381, 192577), (140239, 146083)]