20363776

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1332

約数の個数: 40

約数和(自身を含む): 42033024

約数和(自身を除く): 21669248

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1283, 1984, 2566, 3968, 5132, 7936, 10264, 15872, 20528, 39773, 41056, 79546, 82112, 159092, 164224, 318184, 328448, 636368, 656896, 1272736, 2545472, 5090944, 10181888, 20363776]

約数ペア:

[(1, 20363776), (2, 10181888), (4, 5090944), (8, 2545472), (16, 1272736), (31, 656896), (32, 636368), (62, 328448), (64, 318184), (124, 164224), (128, 159092), (248, 82112), (256, 79546), (496, 41056), (512, 39773), (992, 20528), (1283, 15872), (1984, 10264), (2566, 7936), (3968, 5132)]