20954820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12043}}^1$

素因数の和:12084

約数の個数: 48

約数和(自身を含む): 60701760

約数和(自身を除く): 39746940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12043, 24086, 36129, 48172, 60215, 72258, 120430, 144516, 180645, 240860, 349247, 361290, 698494, 722580, 1047741, 1396988, 1746235, 2095482, 3492470, 4190964, 5238705, 6984940, 10477410, 20954820]

約数ペア:

[(1, 20954820), (2, 10477410), (3, 6984940), (4, 5238705), (5, 4190964), (6, 3492470), (10, 2095482), (12, 1746235), (15, 1396988), (20, 1047741), (29, 722580), (30, 698494), (58, 361290), (60, 349247), (87, 240860), (116, 180645), (145, 144516), (174, 120430), (290, 72258), (348, 60215), (435, 48172), (580, 36129), (870, 24086), (1740, 12043)]