20144943

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 37180416

約数和(自身を除く): 17035473

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 911, 1053, 1701, 2457, 2733, 3159, 6377, 7371, 8199, 11843, 19131, 22113, 24597, 35529, 57393, 73791, 82901, 106587, 172179, 221373, 248703, 319761, 516537, 746109, 959283, 1549611, 2238327, 2877849, 6714981, 20144943]

約数ペア:

[(1, 20144943), (3, 6714981), (7, 2877849), (9, 2238327), (13, 1549611), (21, 959283), (27, 746109), (39, 516537), (63, 319761), (81, 248703), (91, 221373), (117, 172179), (189, 106587), (243, 82901), (273, 73791), (351, 57393), (567, 35529), (819, 24597), (911, 22113), (1053, 19131), (1701, 11843), (2457, 8199), (2733, 7371), (3159, 6377)]