20121581656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1571}}^1\times {\mathrm{145547}}^1$

素因数の和:147135

約数の個数: 32

約数和(自身を含む): 41184262080

約数和(自身を除く): 21062680424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1571, 3142, 6284, 12568, 17281, 34562, 69124, 138248, 145547, 291094, 582188, 1164376, 1601017, 3202034, 6404068, 12808136, 228654337, 457308674, 914617348, 1829234696, 2515197707, 5030395414, 10060790828, 20121581656]

約数ペア:

[(1, 20121581656), (2, 10060790828), (4, 5030395414), (8, 2515197707), (11, 1829234696), (22, 914617348), (44, 457308674), (88, 228654337), (1571, 12808136), (3142, 6404068), (6284, 3202034), (12568, 1601017), (17281, 1164376), (34562, 582188), (69124, 291094), (138248, 145547)]