20355042

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25264158

約数列:

[1, 2, 3, 6, 19, 29, 38, 47, 57, 58, 87, 94, 114, 131, 141, 174, 262, 282, 393, 551, 786, 893, 1102, 1363, 1653, 1786, 2489, 2679, 2726, 3306, 3799, 4089, 4978, 5358, 6157, 7467, 7598, 8178, 11397, 12314, 14934, 18471, 22794, 25897, 36942, 51794, 72181, 77691, 116983, 144362, 155382, 178553, 216543, 233966, 350949, 357106, 433086, 535659, 701898, 1071318, 3392507, 6785014, 10177521, 20355042]

約数ペア:

[(1, 20355042), (2, 10177521), (3, 6785014), (6, 3392507), (19, 1071318), (29, 701898), (38, 535659), (47, 433086), (57, 357106), (58, 350949), (87, 233966), (94, 216543), (114, 178553), (131, 155382), (141, 144362), (174, 116983), (262, 77691), (282, 72181), (393, 51794), (551, 36942), (786, 25897), (893, 22794), (1102, 18471), (1363, 14934), (1653, 12314), (1786, 11397), (2489, 8178), (2679, 7598), (2726, 7467), (3306, 6157), (3799, 5358), (4089, 4978)]