20205122470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13249}}^1\times {\mathrm{11731}}^1$

素因数の和:25000

約数の個数: 32

約数和(自身を含む): 39173148000

約数和(自身を除く): 18968025530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 11731, 13249, 23462, 26498, 58655, 66245, 117310, 132490, 152503, 172237, 305006, 344474, 762515, 861185, 1525030, 1722370, 155424019, 310848038, 777120095, 1554240190, 2020512247, 4041024494, 10102561235, 20205122470]

約数ペア:

[(1, 20205122470), (2, 10102561235), (5, 4041024494), (10, 2020512247), (13, 1554240190), (26, 777120095), (65, 310848038), (130, 155424019), (11731, 1722370), (13249, 1525030), (23462, 861185), (26498, 762515), (58655, 344474), (66245, 305006), (117310, 172237), (132490, 152503)]