20899936

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 23208128

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 103, 136, 206, 272, 373, 412, 544, 746, 824, 1492, 1648, 1751, 2984, 3296, 3502, 5968, 6341, 7004, 11936, 12682, 14008, 25364, 28016, 38419, 50728, 56032, 76838, 101456, 153676, 202912, 307352, 614704, 653123, 1229408, 1306246, 2612492, 5224984, 10449968, 20899936]

約数ペア:

[(1, 20899936), (2, 10449968), (4, 5224984), (8, 2612492), (16, 1306246), (17, 1229408), (32, 653123), (34, 614704), (68, 307352), (103, 202912), (136, 153676), (206, 101456), (272, 76838), (373, 56032), (412, 50728), (544, 38419), (746, 28016), (824, 25364), (1492, 14008), (1648, 12682), (1751, 11936), (2984, 7004), (3296, 6341), (3502, 5968)]