20974841855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1056401}}^1$

素因数の和:1056455

約数の個数: 24

約数和(自身を含む): 28979219664

約数和(自身を除く): 8004377809

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 19855, 1056401, 5282005, 11620411, 20071619, 58102055, 100358095, 220787809, 381360761, 1103939045, 1906803805, 4194968371, 20974841855]

約数ペア:

[(1, 20974841855), (5, 4194968371), (11, 1906803805), (19, 1103939045), (55, 381360761), (95, 220787809), (209, 100358095), (361, 58102055), (1045, 20071619), (1805, 11620411), (3971, 5282005), (19855, 1056401)]