20481260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 46357920

約数和(自身を除く): 25876660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1021, 1180, 2006, 2042, 4012, 4084, 5015, 5105, 10030, 10210, 17357, 20060, 20420, 34714, 60239, 69428, 86785, 120478, 173570, 240956, 301195, 347140, 602390, 1024063, 1204780, 2048126, 4096252, 5120315, 10240630, 20481260]

約数ペア:

[(1, 20481260), (2, 10240630), (4, 5120315), (5, 4096252), (10, 2048126), (17, 1204780), (20, 1024063), (34, 602390), (59, 347140), (68, 301195), (85, 240956), (118, 173570), (170, 120478), (236, 86785), (295, 69428), (340, 60239), (590, 34714), (1003, 20420), (1021, 20060), (1180, 17357), (2006, 10210), (2042, 10030), (4012, 5105), (4084, 5015)]