20406708

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26993}}^1$

素因数の和:27013

約数の個数: 48

約数和(自身を含む): 60466560

約数和(自身を除く): 40059852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26993, 53986, 80979, 107972, 161958, 188951, 242937, 323916, 377902, 485874, 566853, 728811, 755804, 971748, 1133706, 1457622, 1700559, 2267412, 2915244, 3401118, 5101677, 6802236, 10203354, 20406708]

約数ペア:

[(1, 20406708), (2, 10203354), (3, 6802236), (4, 5101677), (6, 3401118), (7, 2915244), (9, 2267412), (12, 1700559), (14, 1457622), (18, 1133706), (21, 971748), (27, 755804), (28, 728811), (36, 566853), (42, 485874), (54, 377902), (63, 323916), (84, 242937), (108, 188951), (126, 161958), (189, 107972), (252, 80979), (378, 53986), (756, 26993)]