20103857788

素因数分解:

$2^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{447907}}^1$

素因数の和:448154

約数の個数: 36

約数和(自身を含む): 41104517160

約数和(自身を除く): 21000659372

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 229, 458, 916, 1603, 3206, 6412, 11221, 22442, 44884, 447907, 895814, 1791628, 3135349, 6270698, 12541396, 21947443, 43894886, 87789772, 102570703, 205141406, 410282812, 717994921, 1435989842, 2871979684, 5025964447, 10051928894, 20103857788]

約数ペア:

[(1, 20103857788), (2, 10051928894), (4, 5025964447), (7, 2871979684), (14, 1435989842), (28, 717994921), (49, 410282812), (98, 205141406), (196, 102570703), (229, 87789772), (458, 43894886), (916, 21947443), (1603, 12541396), (3206, 6270698), (6412, 3135349), (11221, 1791628), (22442, 895814), (44884, 447907)]