20120482005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{357031}}^1$

素因数の和:357086

約数の個数: 48

約数和(自身を含む): 36828564864

約数和(自身を除く): 16708082859

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 663, 867, 1105, 1445, 3315, 3757, 4335, 11271, 18785, 56355, 357031, 1071093, 1785155, 4641403, 5355465, 6069527, 13924209, 18208581, 23207015, 30347635, 69621045, 78903851, 91042905, 103181959, 236711553, 309545877, 394519255, 515909795, 1183557765, 1341365467, 1547729385, 4024096401, 6706827335, 20120482005]

約数ペア:

[(1, 20120482005), (3, 6706827335), (5, 4024096401), (13, 1547729385), (15, 1341365467), (17, 1183557765), (39, 515909795), (51, 394519255), (65, 309545877), (85, 236711553), (195, 103181959), (221, 91042905), (255, 78903851), (289, 69621045), (663, 30347635), (867, 23207015), (1105, 18208581), (1445, 13924209), (3315, 6069527), (3757, 5355465), (4335, 4641403), (11271, 1785155), (18785, 1071093), (56355, 357031)]