20565778432

素因数分解:

$2^{13}\times {\mathrm{41}}^1\times {\mathrm{61231}}^1$

素因数の和:61298

約数の個数: 56

約数和(自身を含む): 42132881952

約数和(自身を除く): 21567103520

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 1024, 1312, 2048, 2624, 4096, 5248, 8192, 10496, 20992, 41984, 61231, 83968, 122462, 167936, 244924, 335872, 489848, 979696, 1959392, 2510471, 3918784, 5020942, 7837568, 10041884, 15675136, 20083768, 31350272, 40167536, 62700544, 80335072, 125401088, 160670144, 250802176, 321340288, 501604352, 642680576, 1285361152, 2570722304, 5141444608, 10282889216, 20565778432]

約数ペア:

[(1, 20565778432), (2, 10282889216), (4, 5141444608), (8, 2570722304), (16, 1285361152), (32, 642680576), (41, 501604352), (64, 321340288), (82, 250802176), (128, 160670144), (164, 125401088), (256, 80335072), (328, 62700544), (512, 40167536), (656, 31350272), (1024, 20083768), (1312, 15675136), (2048, 10041884), (2624, 7837568), (4096, 5020942), (5248, 3918784), (8192, 2510471), (10496, 1959392), (20992, 979696), (41984, 489848), (61231, 335872), (83968, 244924), (122462, 167936)]