20367688

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 42876540

約数和(自身を除く): 22508852

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 121, 212, 242, 397, 424, 484, 583, 794, 968, 1166, 1588, 2332, 3176, 4367, 4664, 6413, 8734, 12826, 17468, 21041, 25652, 34936, 42082, 48037, 51304, 84164, 96074, 168328, 192148, 231451, 384296, 462902, 925804, 1851608, 2545961, 5091922, 10183844, 20367688]

約数ペア:

[(1, 20367688), (2, 10183844), (4, 5091922), (8, 2545961), (11, 1851608), (22, 925804), (44, 462902), (53, 384296), (88, 231451), (106, 192148), (121, 168328), (212, 96074), (242, 84164), (397, 51304), (424, 48037), (484, 42082), (583, 34936), (794, 25652), (968, 21041), (1166, 17468), (1588, 12826), (2332, 8734), (3176, 6413), (4367, 4664)]