20775848

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 40377960

約数和(自身を除く): 19602112

約数列:

[1, 2, 4, 8, 41, 82, 97, 164, 194, 328, 388, 653, 776, 1306, 2612, 3977, 5224, 7954, 15908, 26773, 31816, 53546, 63341, 107092, 126682, 214184, 253364, 506728, 2596981, 5193962, 10387924, 20775848]

約数ペア:

[(1, 20775848), (2, 10387924), (4, 5193962), (8, 2596981), (41, 506728), (82, 253364), (97, 214184), (164, 126682), (194, 107092), (328, 63341), (388, 53546), (653, 31816), (776, 26773), (1306, 15908), (2612, 7954), (3977, 5224)]