20237072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1583}}^1$

素因数の和:1655

約数の個数: 40

約数和(自身を含む): 42425856

約数和(自身を除く): 22188784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1583, 1598, 3166, 3196, 6332, 6392, 12664, 12784, 25328, 26911, 53822, 74401, 107644, 148802, 215288, 297604, 430576, 595208, 1190416, 1264817, 2529634, 5059268, 10118536, 20237072]

約数ペア:

[(1, 20237072), (2, 10118536), (4, 5059268), (8, 2529634), (16, 1264817), (17, 1190416), (34, 595208), (47, 430576), (68, 297604), (94, 215288), (136, 148802), (188, 107644), (272, 74401), (376, 53822), (752, 26911), (799, 25328), (1583, 12784), (1598, 12664), (3166, 6392), (3196, 6332)]