20504304

素因数分解:

$2^4\times 3^2\times {\mathrm{142391}}^1$

素因数の和:142405

約数の個数: 30

約数和(自身を含む): 57383976

約数和(自身を除く): 36879672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 142391, 284782, 427173, 569564, 854346, 1139128, 1281519, 1708692, 2278256, 2563038, 3417384, 5126076, 6834768, 10252152, 20504304]

約数ペア:

[(1, 20504304), (2, 10252152), (3, 6834768), (4, 5126076), (6, 3417384), (8, 2563038), (9, 2278256), (12, 1708692), (16, 1281519), (18, 1139128), (24, 854346), (36, 569564), (48, 427173), (72, 284782), (144, 142391)]