20136973912

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{392503}}^1$

素因数の和:392584

約数の個数: 48

約数和(自身を含む): 42284455920

約数和(自身を除く): 22147482008

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 121, 212, 242, 424, 484, 583, 968, 1166, 2332, 4664, 6413, 12826, 25652, 51304, 392503, 785006, 1570012, 3140024, 4317533, 8635066, 17270132, 20802659, 34540264, 41605318, 47492863, 83210636, 94985726, 166421272, 189971452, 228829249, 379942904, 457658498, 915316996, 1830633992, 2517121739, 5034243478, 10068486956, 20136973912]

約数ペア:

[(1, 20136973912), (2, 10068486956), (4, 5034243478), (8, 2517121739), (11, 1830633992), (22, 915316996), (44, 457658498), (53, 379942904), (88, 228829249), (106, 189971452), (121, 166421272), (212, 94985726), (242, 83210636), (424, 47492863), (484, 41605318), (583, 34540264), (968, 20802659), (1166, 17270132), (2332, 8635066), (4664, 4317533), (6413, 3140024), (12826, 1570012), (25652, 785006), (51304, 392503)]