20512159208

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{3677}}^1\times {\mathrm{5323}}^1$

素因数の和:9137

約数の個数: 32

約数和(自身を含む): 38771710560

約数和(自身を除く): 18259551352

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 3677, 5323, 7354, 10646, 14708, 21292, 29416, 42584, 481687, 697313, 963374, 1394626, 1926748, 2789252, 3853496, 5578504, 19572671, 39145342, 78290684, 156581368, 2564019901, 5128039802, 10256079604, 20512159208]

約数ペア:

[(1, 20512159208), (2, 10256079604), (4, 5128039802), (8, 2564019901), (131, 156581368), (262, 78290684), (524, 39145342), (1048, 19572671), (3677, 5578504), (5323, 3853496), (7354, 2789252), (10646, 1926748), (14708, 1394626), (21292, 963374), (29416, 697313), (42584, 481687)]