20387488

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3407}}^1$

素因数の和:3445

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 25988576

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3407, 5984, 6814, 13628, 27256, 37477, 54512, 57919, 74954, 109024, 115838, 149908, 231676, 299816, 463352, 599632, 637109, 926704, 1199264, 1274218, 1853408, 2548436, 5096872, 10193744, 20387488]

約数ペア:

[(1, 20387488), (2, 10193744), (4, 5096872), (8, 2548436), (11, 1853408), (16, 1274218), (17, 1199264), (22, 926704), (32, 637109), (34, 599632), (44, 463352), (68, 299816), (88, 231676), (136, 149908), (176, 115838), (187, 109024), (272, 74954), (352, 57919), (374, 54512), (544, 37477), (748, 27256), (1496, 13628), (2992, 6814), (3407, 5984)]