20055402

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 25703766

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 193, 207, 251, 386, 414, 502, 579, 753, 1158, 1506, 1737, 2259, 3474, 4439, 4518, 5773, 8878, 11546, 13317, 17319, 26634, 34638, 39951, 48443, 51957, 79902, 96886, 103914, 145329, 290658, 435987, 871974, 1114189, 2228378, 3342567, 6685134, 10027701, 20055402]

約数ペア:

[(1, 20055402), (2, 10027701), (3, 6685134), (6, 3342567), (9, 2228378), (18, 1114189), (23, 871974), (46, 435987), (69, 290658), (138, 145329), (193, 103914), (207, 96886), (251, 79902), (386, 51957), (414, 48443), (502, 39951), (579, 34638), (753, 26634), (1158, 17319), (1506, 13317), (1737, 11546), (2259, 8878), (3474, 5773), (4439, 4518)]