20694784

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7349}}^1$

素因数の和:7376

約数の個数: 36

約数和(自身を含む): 45070200

約数和(自身を除く): 24375416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7349, 14698, 29396, 58792, 80839, 117584, 161678, 235168, 323356, 470336, 646712, 940672, 1293424, 1881344, 2586848, 5173696, 10347392, 20694784]

約数ペア:

[(1, 20694784), (2, 10347392), (4, 5173696), (8, 2586848), (11, 1881344), (16, 1293424), (22, 940672), (32, 646712), (44, 470336), (64, 323356), (88, 235168), (128, 161678), (176, 117584), (256, 80839), (352, 58792), (704, 29396), (1408, 14698), (2816, 7349)]