20455974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14759}}^1$

素因数の和:14785

約数の個数: 48

約数和(自身を含む): 55261440

約数和(自身を除く): 34805466

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 14759, 29518, 44277, 88554, 103313, 132831, 162349, 206626, 265662, 309939, 324698, 487047, 619878, 929817, 974094, 1136443, 1461141, 1859634, 2272886, 2922282, 3409329, 6818658, 10227987, 20455974]

約数ペア:

[(1, 20455974), (2, 10227987), (3, 6818658), (6, 3409329), (7, 2922282), (9, 2272886), (11, 1859634), (14, 1461141), (18, 1136443), (21, 974094), (22, 929817), (33, 619878), (42, 487047), (63, 324698), (66, 309939), (77, 265662), (99, 206626), (126, 162349), (154, 132831), (198, 103313), (231, 88554), (462, 44277), (693, 29518), (1386, 14759)]