20189043

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4783}}^1$

素因数の和:4863

約数の個数: 24

約数和(自身を含む): 33832448

約数和(自身を除く): 13643405

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4783, 14349, 33481, 43047, 100443, 301329, 320461, 961383, 2243227, 2884149, 6729681, 20189043]

約数ペア:

[(1, 20189043), (3, 6729681), (7, 2884149), (9, 2243227), (21, 961383), (63, 320461), (67, 301329), (201, 100443), (469, 43047), (603, 33481), (1407, 14349), (4221, 4783)]