20969872

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17021}}^1$

素因数の和:17047

約数の個数: 40

約数和(自身を含む): 50657472

約数和(自身を除く): 29687600

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17021, 34042, 68084, 119147, 136168, 187231, 238294, 272336, 374462, 476588, 748924, 953176, 1310617, 1497848, 1906352, 2621234, 2995696, 5242468, 10484936, 20969872]

約数ペア:

[(1, 20969872), (2, 10484936), (4, 5242468), (7, 2995696), (8, 2621234), (11, 1906352), (14, 1497848), (16, 1310617), (22, 953176), (28, 748924), (44, 476588), (56, 374462), (77, 272336), (88, 238294), (112, 187231), (154, 136168), (176, 119147), (308, 68084), (616, 34042), (1232, 17021)]