20166705885

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{3581}}^1$

素因数の和:3838

約数の個数: 64

約数和(自身を含む): 33843882240

約数和(自身を除く): 13677176355

約数列:

[1, 3, 5, 15, 37, 73, 111, 139, 185, 219, 365, 417, 555, 695, 1095, 2085, 2701, 3581, 5143, 8103, 10147, 10743, 13505, 15429, 17905, 25715, 30441, 40515, 50735, 53715, 77145, 132497, 152205, 261413, 375439, 397491, 497759, 662485, 784239, 1126317, 1307065, 1493277, 1877195, 1987455, 2488795, 3921195, 5631585, 7466385, 9672281, 18417083, 29016843, 36336407, 48361405, 55251249, 92085415, 109009221, 145084215, 181682035, 276256245, 545046105, 1344447059, 4033341177, 6722235295, 20166705885]

約数ペア:

[(1, 20166705885), (3, 6722235295), (5, 4033341177), (15, 1344447059), (37, 545046105), (73, 276256245), (111, 181682035), (139, 145084215), (185, 109009221), (219, 92085415), (365, 55251249), (417, 48361405), (555, 36336407), (695, 29016843), (1095, 18417083), (2085, 9672281), (2701, 7466385), (3581, 5631585), (5143, 3921195), (8103, 2488795), (10147, 1987455), (10743, 1877195), (13505, 1493277), (15429, 1307065), (17905, 1126317), (25715, 784239), (30441, 662485), (40515, 497759), (50735, 397491), (53715, 375439), (77145, 261413), (132497, 152205)]