20171091356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:939

約数の個数: 96

約数和(自身を含む): 40236134400

約数和(自身を除く): 20065043044

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 109, 218, 299, 359, 431, 436, 598, 718, 862, 1196, 1417, 1436, 1724, 2507, 2834, 4667, 5014, 5603, 5668, 8257, 9334, 9913, 10028, 11206, 16514, 18668, 19826, 22412, 32591, 33028, 39131, 39652, 46979, 65182, 78262, 93958, 107341, 128869, 130364, 154729, 156524, 187916, 214682, 257738, 309458, 429364, 508703, 515476, 610727, 618916, 900013, 1017406, 1080517, 1221454, 1800026, 2011477, 2034812, 2161034, 2442908, 3558767, 3600052, 4022954, 4322068, 7117534, 8045908, 11700169, 14046721, 14235068, 16865461, 23400338, 28093442, 33730922, 46263971, 46800676, 56186884, 67461844, 92527942, 185055884, 219250993, 387905603, 438501986, 775811206, 877003972, 1551622412, 5042772839, 10085545678, 20171091356]

約数ペア:

[(1, 20171091356), (2, 10085545678), (4, 5042772839), (13, 1551622412), (23, 877003972), (26, 775811206), (46, 438501986), (52, 387905603), (92, 219250993), (109, 185055884), (218, 92527942), (299, 67461844), (359, 56186884), (431, 46800676), (436, 46263971), (598, 33730922), (718, 28093442), (862, 23400338), (1196, 16865461), (1417, 14235068), (1436, 14046721), (1724, 11700169), (2507, 8045908), (2834, 7117534), (4667, 4322068), (5014, 4022954), (5603, 3600052), (5668, 3558767), (8257, 2442908), (9334, 2161034), (9913, 2034812), (10028, 2011477), (11206, 1800026), (16514, 1221454), (18668, 1080517), (19826, 1017406), (22412, 900013), (32591, 618916), (33028, 610727), (39131, 515476), (39652, 508703), (46979, 429364), (65182, 309458), (78262, 257738), (93958, 214682), (107341, 187916), (128869, 156524), (130364, 154729)]