20136556559

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 25536614400

約数和(自身を除く): 5400057841

約数列:

[1, 7, 17, 43, 79, 109, 119, 301, 457, 553, 731, 763, 1343, 1853, 3199, 3397, 4687, 5117, 7769, 8611, 9401, 12971, 19651, 23779, 32809, 36103, 49813, 54383, 57749, 60277, 79679, 137557, 146387, 252721, 334067, 348691, 370273, 404243, 557753, 613751, 846821, 1024709, 1552429, 2141959, 2338469, 2591911, 3935227, 4296257, 5927747, 6294641, 10867003, 14993713, 26391293, 27546589, 36413303, 44062487, 66898859, 169214761, 184739051, 254893121, 468292013, 1184503327, 2876650937, 20136556559]

約数ペア:

[(1, 20136556559), (7, 2876650937), (17, 1184503327), (43, 468292013), (79, 254893121), (109, 184739051), (119, 169214761), (301, 66898859), (457, 44062487), (553, 36413303), (731, 27546589), (763, 26391293), (1343, 14993713), (1853, 10867003), (3199, 6294641), (3397, 5927747), (4687, 4296257), (5117, 3935227), (7769, 2591911), (8611, 2338469), (9401, 2141959), (12971, 1552429), (19651, 1024709), (23779, 846821), (32809, 613751), (36103, 557753), (49813, 404243), (54383, 370273), (57749, 348691), (60277, 334067), (79679, 252721), (137557, 146387)]