20723414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13871146

約数列:

[1, 2, 19, 23, 38, 46, 131, 181, 262, 362, 437, 874, 2489, 3013, 3439, 4163, 4978, 6026, 6878, 8326, 23711, 47422, 57247, 79097, 114494, 158194, 450509, 545353, 901018, 1090706, 10361707, 20723414]

約数ペア:

[(1, 20723414), (2, 10361707), (19, 1090706), (23, 901018), (38, 545353), (46, 450509), (131, 158194), (181, 114494), (262, 79097), (362, 57247), (437, 47422), (874, 23711), (2489, 8326), (3013, 6878), (3439, 6026), (4163, 4978)]