20128748012

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{8179}}^1$

素因数の和:8526

約数の個数: 48

約数和(自身を含む): 36939571200

約数和(自身を除く): 16810823188

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 223, 356, 446, 892, 2759, 5518, 6913, 8179, 11036, 13826, 16358, 19847, 27652, 32716, 39694, 79388, 253549, 507098, 615257, 727931, 1014196, 1230514, 1455862, 1823917, 2461028, 2911724, 3647834, 7295668, 22565861, 45131722, 56541427, 90263444, 113082854, 162328613, 226165708, 324657226, 649314452, 5032187003, 10064374006, 20128748012]

約数ペア:

[(1, 20128748012), (2, 10064374006), (4, 5032187003), (31, 649314452), (62, 324657226), (89, 226165708), (124, 162328613), (178, 113082854), (223, 90263444), (356, 56541427), (446, 45131722), (892, 22565861), (2759, 7295668), (5518, 3647834), (6913, 2911724), (8179, 2461028), (11036, 1823917), (13826, 1455862), (16358, 1230514), (19847, 1014196), (27652, 727931), (32716, 615257), (39694, 507098), (79388, 253549)]