20237812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 43120000

約数和(自身を除く): 22882188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 349, 436, 532, 698, 763, 1396, 1526, 2071, 2443, 3052, 4142, 4886, 6631, 8284, 9772, 13262, 14497, 26524, 28994, 38041, 46417, 57988, 76082, 92834, 152164, 185668, 266287, 532574, 722779, 1065148, 1445558, 2891116, 5059453, 10118906, 20237812]

約数ペア:

[(1, 20237812), (2, 10118906), (4, 5059453), (7, 2891116), (14, 1445558), (19, 1065148), (28, 722779), (38, 532574), (76, 266287), (109, 185668), (133, 152164), (218, 92834), (266, 76082), (349, 57988), (436, 46417), (532, 38041), (698, 28994), (763, 26524), (1396, 14497), (1526, 13262), (2071, 9772), (2443, 8284), (3052, 6631), (4142, 4886)]