20409968384

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{84011}}^1$

素因数の和:84113

約数の個数: 72

約数和(自身を含む): 44475616752

約数和(自身を除く): 24065648368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 128, 146, 208, 256, 292, 416, 584, 832, 949, 1168, 1664, 1898, 2336, 3328, 3796, 4672, 7592, 9344, 15184, 18688, 30368, 60736, 84011, 121472, 168022, 242944, 336044, 672088, 1092143, 1344176, 2184286, 2688352, 4368572, 5376704, 6132803, 8737144, 10753408, 12265606, 17474288, 21506816, 24531212, 34948576, 49062424, 69897152, 79726439, 98124848, 139794304, 159452878, 196249696, 279588608, 318905756, 392499392, 637811512, 784998784, 1275623024, 1569997568, 2551246048, 5102492096, 10204984192, 20409968384]

約数ペア:

[(1, 20409968384), (2, 10204984192), (4, 5102492096), (8, 2551246048), (13, 1569997568), (16, 1275623024), (26, 784998784), (32, 637811512), (52, 392499392), (64, 318905756), (73, 279588608), (104, 196249696), (128, 159452878), (146, 139794304), (208, 98124848), (256, 79726439), (292, 69897152), (416, 49062424), (584, 34948576), (832, 24531212), (949, 21506816), (1168, 17474288), (1664, 12265606), (1898, 10753408), (2336, 8737144), (3328, 6132803), (3796, 5376704), (4672, 4368572), (7592, 2688352), (9344, 2184286), (15184, 1344176), (18688, 1092143), (30368, 672088), (60736, 336044), (84011, 242944), (121472, 168022)]