20823537

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 13091343

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1103, 2697, 3309, 6293, 7721, 18879, 23163, 31987, 34193, 95961, 102579, 223909, 239351, 671727, 718053, 991597, 2974791, 6941179, 20823537]

約数ペア:

[(1, 20823537), (3, 6941179), (7, 2974791), (21, 991597), (29, 718053), (31, 671727), (87, 239351), (93, 223909), (203, 102579), (217, 95961), (609, 34193), (651, 31987), (899, 23163), (1103, 18879), (2697, 7721), (3309, 6293)]