20139930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2053}}^1$

素因数の和:2175

約数の個数: 48

約数和(自身を含む): 52869960

約数和(自身を除く): 32730030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 2053, 3270, 4106, 4905, 6159, 9810, 10265, 12318, 18477, 20530, 30795, 36954, 61590, 92385, 184770, 223777, 447554, 671331, 1118885, 1342662, 2013993, 2237770, 3356655, 4027986, 6713310, 10069965, 20139930]

約数ペア:

[(1, 20139930), (2, 10069965), (3, 6713310), (5, 4027986), (6, 3356655), (9, 2237770), (10, 2013993), (15, 1342662), (18, 1118885), (30, 671331), (45, 447554), (90, 223777), (109, 184770), (218, 92385), (327, 61590), (545, 36954), (654, 30795), (981, 20530), (1090, 18477), (1635, 12318), (1962, 10265), (2053, 9810), (3270, 6159), (4106, 4905)]