20659254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 52157952

約数和(自身を除く): 31498698

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 97, 154, 194, 231, 291, 461, 462, 582, 679, 922, 1067, 1358, 1383, 2037, 2134, 2766, 3201, 3227, 4074, 5071, 6402, 6454, 7469, 9681, 10142, 14938, 15213, 19362, 22407, 30426, 35497, 44717, 44814, 70994, 89434, 106491, 134151, 212982, 268302, 313019, 491887, 626038, 939057, 983774, 1475661, 1878114, 2951322, 3443209, 6886418, 10329627, 20659254]

約数ペア:

[(1, 20659254), (2, 10329627), (3, 6886418), (6, 3443209), (7, 2951322), (11, 1878114), (14, 1475661), (21, 983774), (22, 939057), (33, 626038), (42, 491887), (66, 313019), (77, 268302), (97, 212982), (154, 134151), (194, 106491), (231, 89434), (291, 70994), (461, 44814), (462, 44717), (582, 35497), (679, 30426), (922, 22407), (1067, 19362), (1358, 15213), (1383, 14938), (2037, 10142), (2134, 9681), (2766, 7469), (3201, 6454), (3227, 6402), (4074, 5071)]