20845264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6967}}^1$

素因数の和:7003

約数の個数: 40

約数和(自身を含む): 46657728

約数和(自身を除く): 25812464

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6967, 13934, 27868, 55736, 76637, 111472, 118439, 153274, 236878, 306548, 473756, 613096, 947512, 1226192, 1302829, 1895024, 2605658, 5211316, 10422632, 20845264]

約数ペア:

[(1, 20845264), (2, 10422632), (4, 5211316), (8, 2605658), (11, 1895024), (16, 1302829), (17, 1226192), (22, 947512), (34, 613096), (44, 473756), (68, 306548), (88, 236878), (136, 153274), (176, 118439), (187, 111472), (272, 76637), (374, 55736), (748, 27868), (1496, 13934), (2992, 6967)]