20565763568

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5923319}}^1$

素因数の和:5923365

約数の個数: 40

約数和(自身を含む): 47007467520

約数和(自身を除く): 26441703952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5923319, 11846638, 23693276, 41463233, 47386552, 82926466, 94773104, 165852932, 183622889, 331705864, 367245778, 663411728, 734491556, 1285360223, 1468983112, 2570720446, 2937966224, 5141440892, 10282881784, 20565763568]

約数ペア:

[(1, 20565763568), (2, 10282881784), (4, 5141440892), (7, 2937966224), (8, 2570720446), (14, 1468983112), (16, 1285360223), (28, 734491556), (31, 663411728), (56, 367245778), (62, 331705864), (112, 183622889), (124, 165852932), (217, 94773104), (248, 82926466), (434, 47386552), (496, 41463233), (868, 23693276), (1736, 11846638), (3472, 5923319)]