20858616

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1373}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 56801160

約数和(自身を除く): 35942544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1266, 1373, 1688, 1899, 2532, 2746, 3798, 4119, 5064, 5492, 7596, 8238, 10984, 12357, 15192, 16476, 24714, 32952, 49428, 98856, 289703, 579406, 869109, 1158812, 1738218, 2317624, 2607327, 3476436, 5214654, 6952872, 10429308, 20858616]

約数ペア:

[(1, 20858616), (2, 10429308), (3, 6952872), (4, 5214654), (6, 3476436), (8, 2607327), (9, 2317624), (12, 1738218), (18, 1158812), (24, 869109), (36, 579406), (72, 289703), (211, 98856), (422, 49428), (633, 32952), (844, 24714), (1266, 16476), (1373, 15192), (1688, 12357), (1899, 10984), (2532, 8238), (2746, 7596), (3798, 5492), (4119, 5064)]