20198403771

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{6101}}^1$

素因数の和:6372

約数の個数: 64

約数和(自身を含む): 33832221696

約数和(自身を除く): 13633817925

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 181, 201, 273, 469, 543, 871, 1267, 1407, 2353, 2613, 3801, 6097, 6101, 7059, 12127, 16471, 18291, 18303, 36381, 42707, 49413, 79313, 84889, 128121, 157651, 237939, 254667, 408767, 472953, 555191, 1103557, 1104281, 1226301, 1665573, 2861369, 3310671, 3312843, 5313971, 7729967, 8584107, 14355653, 15941913, 23189901, 37197797, 43066959, 73986827, 100489571, 111593391, 221960481, 301468713, 517907789, 961828751, 1553723367, 2885486253, 6732801257, 20198403771]

約数ペア:

[(1, 20198403771), (3, 6732801257), (7, 2885486253), (13, 1553723367), (21, 961828751), (39, 517907789), (67, 301468713), (91, 221960481), (181, 111593391), (201, 100489571), (273, 73986827), (469, 43066959), (543, 37197797), (871, 23189901), (1267, 15941913), (1407, 14355653), (2353, 8584107), (2613, 7729967), (3801, 5313971), (6097, 3312843), (6101, 3310671), (7059, 2861369), (12127, 1665573), (16471, 1226301), (18291, 1104281), (18303, 1103557), (36381, 555191), (42707, 472953), (49413, 408767), (79313, 254667), (84889, 237939), (128121, 157651)]