20172692012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{472163}}^1$

素因数の和:473149

約数の個数: 24

約数和(自身を含む): 38551246272

約数和(自身を除く): 18378554260

約数列:

[1, 2, 4, 11, 22, 44, 971, 1942, 3884, 10681, 21362, 42724, 472163, 944326, 1888652, 5193793, 10387586, 20775172, 458470273, 916940546, 1833881092, 5043173003, 10086346006, 20172692012]

約数ペア:

[(1, 20172692012), (2, 10086346006), (4, 5043173003), (11, 1833881092), (22, 916940546), (44, 458470273), (971, 20775172), (1942, 10387586), (3884, 5193793), (10681, 1888652), (21362, 944326), (42724, 472163)]