20602912

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 72

約数和(自身を含む): 47358108

約数和(自身を除く): 26755196

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 313, 352, 374, 484, 544, 626, 748, 968, 1252, 1496, 1936, 2057, 2504, 2992, 3443, 3872, 4114, 5008, 5321, 5984, 6886, 8228, 10016, 10642, 13772, 16456, 21284, 27544, 32912, 37873, 42568, 55088, 58531, 65824, 75746, 85136, 110176, 117062, 151492, 170272, 234124, 302984, 468248, 605968, 643841, 936496, 1211936, 1287682, 1872992, 2575364, 5150728, 10301456, 20602912]

約数ペア:

[(1, 20602912), (2, 10301456), (4, 5150728), (8, 2575364), (11, 1872992), (16, 1287682), (17, 1211936), (22, 936496), (32, 643841), (34, 605968), (44, 468248), (68, 302984), (88, 234124), (121, 170272), (136, 151492), (176, 117062), (187, 110176), (242, 85136), (272, 75746), (313, 65824), (352, 58531), (374, 55088), (484, 42568), (544, 37873), (626, 32912), (748, 27544), (968, 21284), (1252, 16456), (1496, 13772), (1936, 10642), (2057, 10016), (2504, 8228), (2992, 6886), (3443, 5984), (3872, 5321), (4114, 5008)]