20745588

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^2\times {\mathrm{151}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 49186592

約数和(自身を除く): 28441004

約数列:

[1, 2, 3, 4, 6, 12, 107, 151, 214, 302, 321, 428, 453, 604, 642, 906, 1284, 1812, 11449, 16157, 22898, 32314, 34347, 45796, 48471, 64628, 68694, 96942, 137388, 193884, 1728799, 3457598, 5186397, 6915196, 10372794, 20745588]

約数ペア:

[(1, 20745588), (2, 10372794), (3, 6915196), (4, 5186397), (6, 3457598), (12, 1728799), (107, 193884), (151, 137388), (214, 96942), (302, 68694), (321, 64628), (428, 48471), (453, 45796), (604, 34347), (642, 32314), (906, 22898), (1284, 16157), (1812, 11449)]