20451648

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15217}}^1$

素因数の和:15239

約数の個数: 56

約数和(自身を含む): 61845952

約数和(自身を除く): 41394304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15217, 30434, 45651, 60868, 91302, 106519, 121736, 182604, 213038, 243472, 319557, 365208, 426076, 486944, 639114, 730416, 852152, 973888, 1278228, 1460832, 1704304, 2556456, 2921664, 3408608, 5112912, 6817216, 10225824, 20451648]

約数ペア:

[(1, 20451648), (2, 10225824), (3, 6817216), (4, 5112912), (6, 3408608), (7, 2921664), (8, 2556456), (12, 1704304), (14, 1460832), (16, 1278228), (21, 973888), (24, 852152), (28, 730416), (32, 639114), (42, 486944), (48, 426076), (56, 365208), (64, 319557), (84, 243472), (96, 213038), (112, 182604), (168, 121736), (192, 106519), (224, 91302), (336, 60868), (448, 45651), (672, 30434), (1344, 15217)]