20641383

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19273}}^1$

素因数の和:19303

約数の個数: 24

約数和(自身を含む): 36080928

約数和(自身を除く): 15439545

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19273, 57819, 134911, 173457, 327641, 404733, 982923, 1214199, 2293487, 2948769, 6880461, 20641383]

約数ペア:

[(1, 20641383), (3, 6880461), (7, 2948769), (9, 2293487), (17, 1214199), (21, 982923), (51, 404733), (63, 327641), (119, 173457), (153, 134911), (357, 57819), (1071, 19273)]