20993478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1777}}^1$

素因数の和:1972

約数の個数: 32

約数和(自身を含む): 46085760

約数和(自身を除く): 25092282

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 179, 358, 537, 1074, 1777, 1969, 3554, 3938, 5331, 5907, 10662, 11814, 19547, 39094, 58641, 117282, 318083, 636166, 954249, 1908498, 3498913, 6997826, 10496739, 20993478]

約数ペア:

[(1, 20993478), (2, 10496739), (3, 6997826), (6, 3498913), (11, 1908498), (22, 954249), (33, 636166), (66, 318083), (179, 117282), (358, 58641), (537, 39094), (1074, 19547), (1777, 11814), (1969, 10662), (3554, 5907), (3938, 5331)]