20434374

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1621

約数の個数: 48

約数和(自身を含む): 47999952

約数和(自身を除く): 27565578

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 1553, 2193, 3106, 4386, 4659, 6579, 9318, 13158, 13977, 26401, 27954, 52802, 66779, 79203, 133558, 158406, 200337, 237609, 400674, 475218, 601011, 1135243, 1202022, 2270486, 3405729, 6811458, 10217187, 20434374]

約数ペア:

[(1, 20434374), (2, 10217187), (3, 6811458), (6, 3405729), (9, 2270486), (17, 1202022), (18, 1135243), (34, 601011), (43, 475218), (51, 400674), (86, 237609), (102, 200337), (129, 158406), (153, 133558), (258, 79203), (306, 66779), (387, 52802), (731, 27954), (774, 26401), (1462, 13977), (1553, 13158), (2193, 9318), (3106, 6579), (4386, 4659)]