20081050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1311

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 22103750

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1259, 1450, 1595, 2518, 3190, 6295, 7975, 12590, 13849, 15950, 27698, 31475, 36511, 62950, 69245, 73022, 138490, 182555, 346225, 365110, 401621, 692450, 803242, 912775, 1825550, 2008105, 4016210, 10040525, 20081050]

約数ペア:

[(1, 20081050), (2, 10040525), (5, 4016210), (10, 2008105), (11, 1825550), (22, 912775), (25, 803242), (29, 692450), (50, 401621), (55, 365110), (58, 346225), (110, 182555), (145, 138490), (275, 73022), (290, 69245), (319, 62950), (550, 36511), (638, 31475), (725, 27698), (1259, 15950), (1450, 13849), (1595, 12590), (2518, 7975), (3190, 6295)]