20992146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 51757056

約数和(自身を除く): 30764910

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 42, 46, 62, 69, 93, 138, 161, 186, 217, 322, 434, 483, 651, 701, 713, 966, 1302, 1402, 1426, 2103, 2139, 4206, 4278, 4907, 4991, 9814, 9982, 14721, 14973, 16123, 21731, 29442, 29946, 32246, 43462, 48369, 65193, 96738, 112861, 130386, 152117, 225722, 304234, 338583, 456351, 499813, 677166, 912702, 999626, 1499439, 2998878, 3498691, 6997382, 10496073, 20992146]

約数ペア:

[(1, 20992146), (2, 10496073), (3, 6997382), (6, 3498691), (7, 2998878), (14, 1499439), (21, 999626), (23, 912702), (31, 677166), (42, 499813), (46, 456351), (62, 338583), (69, 304234), (93, 225722), (138, 152117), (161, 130386), (186, 112861), (217, 96738), (322, 65193), (434, 48369), (483, 43462), (651, 32246), (701, 29946), (713, 29442), (966, 21731), (1302, 16123), (1402, 14973), (1426, 14721), (2103, 9982), (2139, 9814), (4206, 4991), (4278, 4907)]