20178329253

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{33091}}^1$

素因数の和:33329

約数の個数: 32

約数和(自身を含む): 28655024640

約数和(自身を除く): 8476695387

約数列:

[1, 3, 29, 43, 87, 129, 163, 489, 1247, 3741, 4727, 7009, 14181, 21027, 33091, 99273, 203261, 609783, 959639, 1422913, 2878917, 4268739, 5393833, 16181499, 41264477, 123793431, 156421157, 231934819, 469263471, 695804457, 6726109751, 20178329253]

約数ペア:

[(1, 20178329253), (3, 6726109751), (29, 695804457), (43, 469263471), (87, 231934819), (129, 156421157), (163, 123793431), (489, 41264477), (1247, 16181499), (3741, 5393833), (4727, 4268739), (7009, 2878917), (14181, 1422913), (21027, 959639), (33091, 609783), (99273, 203261)]