20163984876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1907}}^1\times {\mathrm{41959}}^1$

素因数の和:43883

約数の個数: 72

約数和(自身を含む): 58283447040

約数和(自身を除く): 38119462164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1907, 3814, 5721, 7628, 11442, 13349, 17163, 22884, 26698, 34326, 40047, 41959, 53396, 68652, 80094, 83918, 120141, 125877, 160188, 167836, 240282, 251754, 293713, 377631, 480564, 503508, 587426, 755262, 881139, 1174852, 1510524, 1762278, 2643417, 3524556, 5286834, 10573668, 80015813, 160031626, 240047439, 320063252, 480094878, 560110691, 720142317, 960189756, 1120221382, 1440284634, 1680332073, 2240442764, 2880569268, 3360664146, 5040996219, 6721328292, 10081992438, 20163984876]

約数ペア:

[(1, 20163984876), (2, 10081992438), (3, 6721328292), (4, 5040996219), (6, 3360664146), (7, 2880569268), (9, 2240442764), (12, 1680332073), (14, 1440284634), (18, 1120221382), (21, 960189756), (28, 720142317), (36, 560110691), (42, 480094878), (63, 320063252), (84, 240047439), (126, 160031626), (252, 80015813), (1907, 10573668), (3814, 5286834), (5721, 3524556), (7628, 2643417), (11442, 1762278), (13349, 1510524), (17163, 1174852), (22884, 881139), (26698, 755262), (34326, 587426), (40047, 503508), (41959, 480564), (53396, 377631), (68652, 293713), (80094, 251754), (83918, 240282), (120141, 167836), (125877, 160188)]