20727922

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13019918

約数列:

[1, 2, 23, 46, 61, 83, 89, 122, 166, 178, 1403, 1909, 2047, 2806, 3818, 4094, 5063, 5429, 7387, 10126, 10858, 14774, 116449, 124867, 169901, 232898, 249734, 339802, 450607, 901214, 10363961, 20727922]

約数ペア:

[(1, 20727922), (2, 10363961), (23, 901214), (46, 450607), (61, 339802), (83, 249734), (89, 232898), (122, 169901), (166, 124867), (178, 116449), (1403, 14774), (1909, 10858), (2047, 10126), (2806, 7387), (3818, 5429), (4094, 5063)]