20126260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1867}}^1$

素因数の和:1901

約数の個数: 72

約数和(自身を含む): 53663904

約数和(自身を除く): 33537644

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1867, 2156, 2695, 3734, 5390, 7468, 9335, 10780, 13069, 18670, 20537, 26138, 37340, 41074, 52276, 65345, 82148, 91483, 102685, 130690, 143759, 182966, 205370, 261380, 287518, 365932, 410740, 457415, 575036, 718795, 914830, 1006313, 1437590, 1829660, 2012626, 2875180, 4025252, 5031565, 10063130, 20126260]

約数ペア:

[(1, 20126260), (2, 10063130), (4, 5031565), (5, 4025252), (7, 2875180), (10, 2012626), (11, 1829660), (14, 1437590), (20, 1006313), (22, 914830), (28, 718795), (35, 575036), (44, 457415), (49, 410740), (55, 365932), (70, 287518), (77, 261380), (98, 205370), (110, 182966), (140, 143759), (154, 130690), (196, 102685), (220, 91483), (245, 82148), (308, 65345), (385, 52276), (490, 41074), (539, 37340), (770, 26138), (980, 20537), (1078, 18670), (1540, 13069), (1867, 10780), (2156, 9335), (2695, 7468), (3734, 5390)]