20677473

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 30932928

約数和(自身を除く): 10255455

約数列:

[1, 3, 9, 53, 67, 159, 201, 477, 603, 647, 1941, 3551, 5823, 10653, 31959, 34291, 43349, 102873, 130047, 308619, 390141, 2297497, 6892491, 20677473]

約数ペア:

[(1, 20677473), (3, 6892491), (9, 2297497), (53, 390141), (67, 308619), (159, 130047), (201, 102873), (477, 43349), (603, 34291), (647, 31959), (1941, 10653), (3551, 5823)]