20630274

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1559

約数の個数: 48

約数和(自身を含む): 49051008

約数和(自身を除く): 28420734

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1493, 1974, 2303, 2986, 4479, 4606, 6909, 8958, 10451, 13818, 20902, 31353, 62706, 70171, 73157, 140342, 146314, 210513, 219471, 421026, 438942, 491197, 982394, 1473591, 2947182, 3438379, 6876758, 10315137, 20630274]

約数ペア:

[(1, 20630274), (2, 10315137), (3, 6876758), (6, 3438379), (7, 2947182), (14, 1473591), (21, 982394), (42, 491197), (47, 438942), (49, 421026), (94, 219471), (98, 210513), (141, 146314), (147, 140342), (282, 73157), (294, 70171), (329, 62706), (658, 31353), (987, 20902), (1493, 13818), (1974, 10451), (2303, 8958), (2986, 6909), (4479, 4606)]