20485884

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 51051168

約数和(自身を除く): 30565284

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 137, 204, 274, 411, 548, 733, 822, 1466, 1644, 2199, 2329, 2932, 4398, 4658, 6987, 8796, 9316, 12461, 13974, 24922, 27948, 37383, 49844, 74766, 100421, 149532, 200842, 301263, 401684, 602526, 1205052, 1707157, 3414314, 5121471, 6828628, 10242942, 20485884]

約数ペア:

[(1, 20485884), (2, 10242942), (3, 6828628), (4, 5121471), (6, 3414314), (12, 1707157), (17, 1205052), (34, 602526), (51, 401684), (68, 301263), (102, 200842), (137, 149532), (204, 100421), (274, 74766), (411, 49844), (548, 37383), (733, 27948), (822, 24922), (1466, 13974), (1644, 12461), (2199, 9316), (2329, 8796), (2932, 6987), (4398, 4658)]