20455981870

素因数分解:

$2^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1109}}^1\times {\mathrm{6659}}^1$

素因数の和:8052

約数の個数: 32

約数和(自身を含む): 36992570400

約数和(自身を除く): 16536588530

約数列:

[1, 2, 5, 10, 277, 554, 1109, 1385, 2218, 2770, 5545, 6659, 11090, 13318, 33295, 66590, 307193, 614386, 1535965, 1844543, 3071930, 3689086, 7384831, 9222715, 14769662, 18445430, 36924155, 73848310, 2045598187, 4091196374, 10227990935, 20455981870]

約数ペア:

[(1, 20455981870), (2, 10227990935), (5, 4091196374), (10, 2045598187), (277, 73848310), (554, 36924155), (1109, 18445430), (1385, 14769662), (2218, 9222715), (2770, 7384831), (5545, 3689086), (6659, 3071930), (11090, 1844543), (13318, 1535965), (33295, 614386), (66590, 307193)]