20041848

素因数分解:

$2^3\times 3^2\times {\mathrm{251}}^1\times {\mathrm{1109}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 54545400

約数和(自身を除く): 34503552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 251, 502, 753, 1004, 1109, 1506, 2008, 2218, 2259, 3012, 3327, 4436, 4518, 6024, 6654, 8872, 9036, 9981, 13308, 18072, 19962, 26616, 39924, 79848, 278359, 556718, 835077, 1113436, 1670154, 2226872, 2505231, 3340308, 5010462, 6680616, 10020924, 20041848]

約数ペア:

[(1, 20041848), (2, 10020924), (3, 6680616), (4, 5010462), (6, 3340308), (8, 2505231), (9, 2226872), (12, 1670154), (18, 1113436), (24, 835077), (36, 556718), (72, 278359), (251, 79848), (502, 39924), (753, 26616), (1004, 19962), (1109, 18072), (1506, 13308), (2008, 9981), (2218, 9036), (2259, 8872), (3012, 6654), (3327, 6024), (4436, 4518)]