20197926

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5171}}^1$

素因数の和:5217

約数の個数: 48

約数和(自身を含む): 51637248

約数和(自身を除く): 31439322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5171, 10342, 15513, 31026, 36197, 46539, 72394, 93078, 108591, 160301, 217182, 320602, 325773, 480903, 651546, 961806, 1122107, 1442709, 2244214, 2885418, 3366321, 6732642, 10098963, 20197926]

約数ペア:

[(1, 20197926), (2, 10098963), (3, 6732642), (6, 3366321), (7, 2885418), (9, 2244214), (14, 1442709), (18, 1122107), (21, 961806), (31, 651546), (42, 480903), (62, 325773), (63, 320602), (93, 217182), (126, 160301), (186, 108591), (217, 93078), (279, 72394), (434, 46539), (558, 36197), (651, 31026), (1302, 15513), (1953, 10342), (3906, 5171)]