20798765284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{8627}}^1$

素因数の和:9148

約数の個数: 48

約数和(自身を含む): 40078785600

約数和(自身を除く): 19280020316

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 349, 628, 698, 1396, 1727, 3454, 3839, 6908, 7678, 8627, 15356, 17254, 34508, 54793, 94897, 109586, 189794, 219172, 379588, 602723, 1205446, 1354439, 2410892, 2708878, 3010823, 5417756, 6021646, 12043292, 14898829, 29797658, 33119053, 59595316, 66238106, 132476212, 472699211, 945398422, 1890796844, 5199691321, 10399382642, 20798765284]

約数ペア:

[(1, 20798765284), (2, 10399382642), (4, 5199691321), (11, 1890796844), (22, 945398422), (44, 472699211), (157, 132476212), (314, 66238106), (349, 59595316), (628, 33119053), (698, 29797658), (1396, 14898829), (1727, 12043292), (3454, 6021646), (3839, 5417756), (6908, 3010823), (7678, 2708878), (8627, 2410892), (15356, 1354439), (17254, 1205446), (34508, 602723), (54793, 379588), (94897, 219172), (109586, 189794)]