20586628624

素因数分解:

$2^4\times {\mathrm{1303}}^1\times {\mathrm{987463}}^1$

素因数の和:988774

約数の個数: 20

約数和(自身を含む): 39917244736

約数和(自身を除く): 19330616112

約数列:

[1, 2, 4, 8, 16, 1303, 2606, 5212, 10424, 20848, 987463, 1974926, 3949852, 7899704, 15799408, 1286664289, 2573328578, 5146657156, 10293314312, 20586628624]

約数ペア:

[(1, 20586628624), (2, 10293314312), (4, 5146657156), (8, 2573328578), (16, 1286664289), (1303, 15799408), (2606, 7899704), (5212, 3949852), (10424, 1974926), (20848, 987463)]