20697480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57493}}^1$

素因数の和:57510

約数の個数: 48

約数和(自身を含む): 67267980

約数和(自身を除く): 46570500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57493, 114986, 172479, 229972, 287465, 344958, 459944, 517437, 574930, 689916, 862395, 1034874, 1149860, 1379832, 1724790, 2069748, 2299720, 2587185, 3449580, 4139496, 5174370, 6899160, 10348740, 20697480]

約数ペア:

[(1, 20697480), (2, 10348740), (3, 6899160), (4, 5174370), (5, 4139496), (6, 3449580), (8, 2587185), (9, 2299720), (10, 2069748), (12, 1724790), (15, 1379832), (18, 1149860), (20, 1034874), (24, 862395), (30, 689916), (36, 574930), (40, 517437), (45, 459944), (60, 344958), (72, 287465), (90, 229972), (120, 172479), (180, 114986), (360, 57493)]