20764044

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 62244000

約数和(自身を除く): 41479956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 79, 84, 98, 126, 147, 149, 158, 196, 237, 252, 294, 298, 316, 441, 447, 474, 553, 588, 596, 711, 882, 894, 948, 1043, 1106, 1341, 1422, 1659, 1764, 1788, 2086, 2212, 2682, 2844, 3129, 3318, 3871, 4172, 4977, 5364, 6258, 6636, 7301, 7742, 9387, 9954, 11613, 11771, 12516, 14602, 15484, 18774, 19908, 21903, 23226, 23542, 29204, 34839, 35313, 37548, 43806, 46452, 47084, 65709, 69678, 70626, 82397, 87612, 105939, 131418, 139356, 141252, 164794, 211878, 247191, 262836, 329588, 423756, 494382, 576779, 741573, 988764, 1153558, 1483146, 1730337, 2307116, 2966292, 3460674, 5191011, 6921348, 10382022, 20764044]

約数ペア:

[(1, 20764044), (2, 10382022), (3, 6921348), (4, 5191011), (6, 3460674), (7, 2966292), (9, 2307116), (12, 1730337), (14, 1483146), (18, 1153558), (21, 988764), (28, 741573), (36, 576779), (42, 494382), (49, 423756), (63, 329588), (79, 262836), (84, 247191), (98, 211878), (126, 164794), (147, 141252), (149, 139356), (158, 131418), (196, 105939), (237, 87612), (252, 82397), (294, 70626), (298, 69678), (316, 65709), (441, 47084), (447, 46452), (474, 43806), (553, 37548), (588, 35313), (596, 34839), (711, 29204), (882, 23542), (894, 23226), (948, 21903), (1043, 19908), (1106, 18774), (1341, 15484), (1422, 14602), (1659, 12516), (1764, 11771), (1788, 11613), (2086, 9954), (2212, 9387), (2682, 7742), (2844, 7301), (3129, 6636), (3318, 6258), (3871, 5364), (4172, 4977)]