20899682262

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89363}}^1$

素因数の和:89506

約数の個数: 64

約数和(自身を含む): 47870507520

約数和(自身を除く): 26970825258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 71, 122, 142, 183, 213, 366, 426, 549, 639, 1098, 1278, 1647, 1917, 3294, 3834, 4331, 8662, 12993, 25986, 38979, 77958, 89363, 116937, 178726, 233874, 268089, 536178, 804267, 1608534, 2412801, 4825602, 5451143, 6344773, 10902286, 12689546, 16353429, 19034319, 32706858, 38068638, 49060287, 57102957, 98120574, 114205914, 147180861, 171308871, 294361722, 342617742, 387031153, 774062306, 1161093459, 2322186918, 3483280377, 6966560754, 10449841131, 20899682262]

約数ペア:

[(1, 20899682262), (2, 10449841131), (3, 6966560754), (6, 3483280377), (9, 2322186918), (18, 1161093459), (27, 774062306), (54, 387031153), (61, 342617742), (71, 294361722), (122, 171308871), (142, 147180861), (183, 114205914), (213, 98120574), (366, 57102957), (426, 49060287), (549, 38068638), (639, 32706858), (1098, 19034319), (1278, 16353429), (1647, 12689546), (1917, 10902286), (3294, 6344773), (3834, 5451143), (4331, 4825602), (8662, 2412801), (12993, 1608534), (25986, 804267), (38979, 536178), (77958, 268089), (89363, 233874), (116937, 178726)]