20071020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9041}}^1$

素因数の和:9090

約数の個数: 48

約数和(自身を含む): 57724128

約数和(自身を除く): 37653108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9041, 18082, 27123, 36164, 45205, 54246, 90410, 108492, 135615, 180820, 271230, 334517, 542460, 669034, 1003551, 1338068, 1672585, 2007102, 3345170, 4014204, 5017755, 6690340, 10035510, 20071020]

約数ペア:

[(1, 20071020), (2, 10035510), (3, 6690340), (4, 5017755), (5, 4014204), (6, 3345170), (10, 2007102), (12, 1672585), (15, 1338068), (20, 1003551), (30, 669034), (37, 542460), (60, 334517), (74, 271230), (111, 180820), (148, 135615), (185, 108492), (222, 90410), (370, 54246), (444, 45205), (555, 36164), (740, 27123), (1110, 18082), (2220, 9041)]