20145704

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 18820696

約数列:

[1, 2, 4, 8, 47, 94, 131, 188, 262, 376, 409, 524, 818, 1048, 1636, 3272, 6157, 12314, 19223, 24628, 38446, 49256, 53579, 76892, 107158, 153784, 214316, 428632, 2518213, 5036426, 10072852, 20145704]

約数ペア:

[(1, 20145704), (2, 10072852), (4, 5036426), (8, 2518213), (47, 428632), (94, 214316), (131, 153784), (188, 107158), (262, 76892), (376, 53579), (409, 49256), (524, 38446), (818, 24628), (1048, 19223), (1636, 12314), (3272, 6157)]