20178356520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24021853}}^1$

素因数の和:24021874

約数の個数: 64

約数和(自身を含む): 69182939520

約数和(自身を除く): 49004583000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24021853, 48043706, 72065559, 96087412, 120109265, 144131118, 168152971, 192174824, 240218530, 288262236, 336305942, 360327795, 480437060, 504458913, 576524472, 672611884, 720655590, 840764855, 960874120, 1008917826, 1345223768, 1441311180, 1681529710, 2017835652, 2522294565, 2882622360, 3363059420, 4035671304, 5044589130, 6726118840, 10089178260, 20178356520]

約数ペア:

[(1, 20178356520), (2, 10089178260), (3, 6726118840), (4, 5044589130), (5, 4035671304), (6, 3363059420), (7, 2882622360), (8, 2522294565), (10, 2017835652), (12, 1681529710), (14, 1441311180), (15, 1345223768), (20, 1008917826), (21, 960874120), (24, 840764855), (28, 720655590), (30, 672611884), (35, 576524472), (40, 504458913), (42, 480437060), (56, 360327795), (60, 336305942), (70, 288262236), (84, 240218530), (105, 192174824), (120, 168152971), (140, 144131118), (168, 120109265), (210, 96087412), (280, 72065559), (420, 48043706), (840, 24021853)]