20989034

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 36504000

約数和(自身を除く): 15514966

約数列:

[1, 2, 11, 19, 22, 38, 149, 209, 298, 337, 418, 674, 1639, 2831, 3278, 3707, 5662, 6403, 7414, 12806, 31141, 50213, 62282, 70433, 100426, 140866, 552343, 954047, 1104686, 1908094, 10494517, 20989034]

約数ペア:

[(1, 20989034), (2, 10494517), (11, 1908094), (19, 1104686), (22, 954047), (38, 552343), (149, 140866), (209, 100426), (298, 70433), (337, 62282), (418, 50213), (674, 31141), (1639, 12806), (2831, 7414), (3278, 6403), (3707, 5662)]