20120265

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 21248055

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 765, 797, 935, 1485, 1683, 2295, 2391, 2805, 3985, 5049, 7173, 8415, 8767, 11955, 13549, 21519, 25245, 26301, 35865, 40647, 43835, 67745, 78903, 107595, 121941, 131505, 149039, 203235, 236709, 365823, 394515, 447117, 609705, 745195, 1183545, 1341351, 1829115, 2235585, 4024053, 6706755, 20120265]

約数ペア:

[(1, 20120265), (3, 6706755), (5, 4024053), (9, 2235585), (11, 1829115), (15, 1341351), (17, 1183545), (27, 745195), (33, 609705), (45, 447117), (51, 394515), (55, 365823), (85, 236709), (99, 203235), (135, 149039), (153, 131505), (165, 121941), (187, 107595), (255, 78903), (297, 67745), (459, 43835), (495, 40647), (561, 35865), (765, 26301), (797, 25245), (935, 21519), (1485, 13549), (1683, 11955), (2295, 8767), (2391, 8415), (2805, 7173), (3985, 5049)]