20539320770

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{809}}^1\times {\mathrm{8009}}^1$

素因数の和:9142

約数の個数: 32

約数和(自身を含む): 37137884400

約数和(自身を除く): 16598563630

約数列:

[1, 2, 5, 10, 317, 634, 809, 1585, 1618, 3170, 4045, 8009, 8090, 16018, 40045, 80090, 256453, 512906, 1282265, 2538853, 2564530, 5077706, 6479281, 12694265, 12958562, 25388530, 32396405, 64792810, 2053932077, 4107864154, 10269660385, 20539320770]

約数ペア:

[(1, 20539320770), (2, 10269660385), (5, 4107864154), (10, 2053932077), (317, 64792810), (634, 32396405), (809, 25388530), (1585, 12958562), (1618, 12694265), (3170, 6479281), (4045, 5077706), (8009, 2564530), (8090, 2538853), (16018, 1282265), (40045, 512906), (80090, 256453)]