20285768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3607}}^1$

素因数の和:3669

約数の個数: 32

約数和(自身を含む): 41131200

約数和(自身を除く): 20845432

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3607, 5624, 7214, 14428, 28856, 68533, 133459, 137066, 266918, 274132, 533836, 548264, 1067672, 2535721, 5071442, 10142884, 20285768]

約数ペア:

[(1, 20285768), (2, 10142884), (4, 5071442), (8, 2535721), (19, 1067672), (37, 548264), (38, 533836), (74, 274132), (76, 266918), (148, 137066), (152, 133459), (296, 68533), (703, 28856), (1406, 14428), (2812, 7214), (3607, 5624)]