20107402

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 35684352

約数和(自身を除く): 15576950

約数列:

[1, 2, 7, 14, 43, 86, 127, 254, 263, 301, 526, 602, 889, 1778, 1841, 3682, 5461, 10922, 11309, 22618, 33401, 38227, 66802, 76454, 79163, 158326, 233807, 467614, 1436243, 2872486, 10053701, 20107402]

約数ペア:

[(1, 20107402), (2, 10053701), (7, 2872486), (14, 1436243), (43, 467614), (86, 233807), (127, 158326), (254, 79163), (263, 76454), (301, 66802), (526, 38227), (602, 33401), (889, 22618), (1778, 11309), (1841, 10922), (3682, 5461)]