20534848

素因数分解:

$2^6\times {\mathrm{499}}^1\times {\mathrm{643}}^1$

素因数の和:1154

約数の個数: 28

約数和(自身を含む): 40894000

約数和(自身を除く): 20359152

約数列:

[1, 2, 4, 8, 16, 32, 64, 499, 643, 998, 1286, 1996, 2572, 3992, 5144, 7984, 10288, 15968, 20576, 31936, 41152, 320857, 641714, 1283428, 2566856, 5133712, 10267424, 20534848]

約数ペア:

[(1, 20534848), (2, 10267424), (4, 5133712), (8, 2566856), (16, 1283428), (32, 641714), (64, 320857), (499, 41152), (643, 31936), (998, 20576), (1286, 15968), (1996, 10288), (2572, 7984), (3992, 5144)]