20801846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2477}}^1$

素因数の和:2528

約数の個数: 32

約数和(自身を含む): 37467360

約数和(自身を除く): 16665514

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2477, 4199, 4954, 8398, 32201, 42109, 47063, 64402, 84218, 94126, 547417, 611819, 800071, 1094834, 1223638, 1600142, 10400923, 20801846]

約数ペア:

[(1, 20801846), (2, 10400923), (13, 1600142), (17, 1223638), (19, 1094834), (26, 800071), (34, 611819), (38, 547417), (221, 94126), (247, 84218), (323, 64402), (442, 47063), (494, 42109), (646, 32201), (2477, 8398), (4199, 4954)]