20363801792

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{80819}}^1$

素因数の和:80989

約数の個数: 56

約数和(自身を含む): 42041917440

約数和(自身を除く): 21678115648

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 4064, 7874, 8128, 15748, 31496, 62992, 80819, 125984, 161638, 251968, 323276, 646552, 1293104, 2505389, 2586208, 5010778, 5172416, 10021556, 10264013, 20043112, 20528026, 40086224, 41056052, 80172448, 82112104, 160344896, 164224208, 318184403, 328448416, 636368806, 656896832, 1272737612, 2545475224, 5090950448, 10181900896, 20363801792]

約数ペア:

[(1, 20363801792), (2, 10181900896), (4, 5090950448), (8, 2545475224), (16, 1272737612), (31, 656896832), (32, 636368806), (62, 328448416), (64, 318184403), (124, 164224208), (127, 160344896), (248, 82112104), (254, 80172448), (496, 41056052), (508, 40086224), (992, 20528026), (1016, 20043112), (1984, 10264013), (2032, 10021556), (3937, 5172416), (4064, 5010778), (7874, 2586208), (8128, 2505389), (15748, 1293104), (31496, 646552), (62992, 323276), (80819, 251968), (125984, 161638)]