20804742

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2393}}^1$

素因数の和:2434

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34353018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2393, 2898, 4347, 4786, 7179, 8694, 14358, 16751, 21537, 33502, 43074, 50253, 55039, 64611, 100506, 110078, 129222, 150759, 165117, 301518, 330234, 385273, 452277, 495351, 770546, 904554, 990702, 1155819, 1486053, 2311638, 2972106, 3467457, 6934914, 10402371, 20804742]

約数ペア:

[(1, 20804742), (2, 10402371), (3, 6934914), (6, 3467457), (7, 2972106), (9, 2311638), (14, 1486053), (18, 1155819), (21, 990702), (23, 904554), (27, 770546), (42, 495351), (46, 452277), (54, 385273), (63, 330234), (69, 301518), (126, 165117), (138, 150759), (161, 129222), (189, 110078), (207, 100506), (322, 64611), (378, 55039), (414, 50253), (483, 43074), (621, 33502), (966, 21537), (1242, 16751), (1449, 14358), (2393, 8694), (2898, 7179), (4347, 4786)]