20953428

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3169}}^1$

素因数の和:3224

約数の個数: 48

約数和(自身を含む): 53256000

約数和(自身を除く): 32302572

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 551, 1102, 1653, 2204, 3169, 3306, 6338, 6612, 9507, 12676, 19014, 38028, 60211, 91901, 120422, 180633, 183802, 240844, 275703, 361266, 367604, 551406, 722532, 1102812, 1746119, 3492238, 5238357, 6984476, 10476714, 20953428]

約数ペア:

[(1, 20953428), (2, 10476714), (3, 6984476), (4, 5238357), (6, 3492238), (12, 1746119), (19, 1102812), (29, 722532), (38, 551406), (57, 367604), (58, 361266), (76, 275703), (87, 240844), (114, 183802), (116, 180633), (174, 120422), (228, 91901), (348, 60211), (551, 38028), (1102, 19014), (1653, 12676), (2204, 9507), (3169, 6612), (3306, 6338)]