20993856112

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{457}}^1\times {\mathrm{42853}}^1$

素因数の和:43385

約数の個数: 40

約数和(自身を含む): 41373994256

約数和(自身を除く): 20380138144

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 457, 536, 914, 1072, 1828, 3656, 7312, 30619, 42853, 61238, 85706, 122476, 171412, 244952, 342824, 489904, 685648, 2871151, 5742302, 11484604, 19583821, 22969208, 39167642, 45938416, 78335284, 156670568, 313341136, 1312116007, 2624232014, 5248464028, 10496928056, 20993856112]

約数ペア:

[(1, 20993856112), (2, 10496928056), (4, 5248464028), (8, 2624232014), (16, 1312116007), (67, 313341136), (134, 156670568), (268, 78335284), (457, 45938416), (536, 39167642), (914, 22969208), (1072, 19583821), (1828, 11484604), (3656, 5742302), (7312, 2871151), (30619, 685648), (42853, 489904), (61238, 342824), (85706, 244952), (122476, 171412)]