20560983352

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28243109}}^1$

素因数の和:28243135

約数の個数: 32

約数和(自身を含む): 47448424800

約数和(自身を除く): 26887441448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28243109, 56486218, 112972436, 197701763, 225944872, 367160417, 395403526, 734320834, 790807052, 1468641668, 1581614104, 2570122919, 2937283336, 5140245838, 10280491676, 20560983352]

約数ペア:

[(1, 20560983352), (2, 10280491676), (4, 5140245838), (7, 2937283336), (8, 2570122919), (13, 1581614104), (14, 1468641668), (26, 790807052), (28, 734320834), (52, 395403526), (56, 367160417), (91, 225944872), (104, 197701763), (182, 112972436), (364, 56486218), (728, 28243109)]