20880451527

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{356693}}^1$

素因数の和:356807

約数の個数: 32

約数和(自身を含む): 31959782400

約数和(自身を除く): 11079330873

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1501, 3081, 4503, 19513, 58539, 356693, 1070079, 4637009, 6777167, 13911027, 20331501, 28178747, 84536241, 88103171, 264309513, 366323711, 535396193, 1098971133, 1606188579, 6960150509, 20880451527]

約数ペア:

[(1, 20880451527), (3, 6960150509), (13, 1606188579), (19, 1098971133), (39, 535396193), (57, 366323711), (79, 264309513), (237, 88103171), (247, 84536241), (741, 28178747), (1027, 20331501), (1501, 13911027), (3081, 6777167), (4503, 4637009), (19513, 1070079), (58539, 356693)]