20149886

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 12848002

約数列:

[1, 2, 23, 43, 46, 61, 86, 122, 167, 334, 989, 1403, 1978, 2623, 2806, 3841, 5246, 7181, 7682, 10187, 14362, 20374, 60329, 120658, 165163, 234301, 330326, 438041, 468602, 876082, 10074943, 20149886]

約数ペア:

[(1, 20149886), (2, 10074943), (23, 876082), (43, 468602), (46, 438041), (61, 330326), (86, 234301), (122, 165163), (167, 120658), (334, 60329), (989, 20374), (1403, 14362), (1978, 10187), (2623, 7682), (2806, 7181), (3841, 5246)]