20120490195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 35452505088

約数和(自身を除く): 15332014893

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 169, 195, 263, 293, 309, 507, 515, 789, 845, 879, 1315, 1339, 1465, 1545, 2535, 3419, 3809, 3945, 4017, 4395, 6695, 10257, 11427, 17095, 17407, 19045, 20085, 27089, 30179, 44447, 49517, 51285, 52221, 57135, 77059, 81267, 87035, 90537, 133341, 135445, 148551, 150895, 222235, 231177, 247585, 261105, 352157, 385295, 392327, 406335, 452685, 666705, 742755, 1001767, 1056471, 1155885, 1176981, 1760785, 1961635, 3005301, 4578041, 5008835, 5100251, 5282355, 5884905, 7937077, 13022971, 13734123, 15026505, 15300753, 22890205, 23811231, 25501255, 39068913, 39685385, 65114855, 68670615, 76503765, 103182001, 119056155, 195344565, 309546003, 515910005, 1341366013, 1547730015, 4024098039, 6706830065, 20120490195]

約数ペア:

[(1, 20120490195), (3, 6706830065), (5, 4024098039), (13, 1547730015), (15, 1341366013), (39, 515910005), (65, 309546003), (103, 195344565), (169, 119056155), (195, 103182001), (263, 76503765), (293, 68670615), (309, 65114855), (507, 39685385), (515, 39068913), (789, 25501255), (845, 23811231), (879, 22890205), (1315, 15300753), (1339, 15026505), (1465, 13734123), (1545, 13022971), (2535, 7937077), (3419, 5884905), (3809, 5282355), (3945, 5100251), (4017, 5008835), (4395, 4578041), (6695, 3005301), (10257, 1961635), (11427, 1760785), (17095, 1176981), (17407, 1155885), (19045, 1056471), (20085, 1001767), (27089, 742755), (30179, 666705), (44447, 452685), (49517, 406335), (51285, 392327), (52221, 385295), (57135, 352157), (77059, 261105), (81267, 247585), (87035, 231177), (90537, 222235), (133341, 150895), (135445, 148551)]