20257146

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 34779654

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 83, 91, 117, 126, 149, 166, 182, 234, 249, 273, 298, 447, 498, 546, 581, 747, 819, 894, 1043, 1079, 1162, 1341, 1494, 1638, 1743, 1937, 2086, 2158, 2682, 3129, 3237, 3486, 3874, 5229, 5811, 6258, 6474, 7553, 9387, 9711, 10458, 11622, 12367, 13559, 15106, 17433, 18774, 19422, 22659, 24734, 27118, 34866, 37101, 40677, 45318, 67977, 74202, 81354, 86569, 111303, 122031, 135954, 160771, 173138, 222606, 244062, 259707, 321542, 482313, 519414, 779121, 964626, 1125397, 1446939, 1558242, 2250794, 2893878, 3376191, 6752382, 10128573, 20257146]

約数ペア:

[(1, 20257146), (2, 10128573), (3, 6752382), (6, 3376191), (7, 2893878), (9, 2250794), (13, 1558242), (14, 1446939), (18, 1125397), (21, 964626), (26, 779121), (39, 519414), (42, 482313), (63, 321542), (78, 259707), (83, 244062), (91, 222606), (117, 173138), (126, 160771), (149, 135954), (166, 122031), (182, 111303), (234, 86569), (249, 81354), (273, 74202), (298, 67977), (447, 45318), (498, 40677), (546, 37101), (581, 34866), (747, 27118), (819, 24734), (894, 22659), (1043, 19422), (1079, 18774), (1162, 17433), (1341, 15106), (1494, 13559), (1638, 12367), (1743, 11622), (1937, 10458), (2086, 9711), (2158, 9387), (2682, 7553), (3129, 6474), (3237, 6258), (3486, 5811), (3874, 5229)]