20052885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 14230635

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 991, 1065, 1349, 2973, 4047, 4955, 6745, 14865, 18829, 20235, 56487, 70361, 94145, 211083, 282435, 351805, 1055415, 1336859, 4010577, 6684295, 20052885]

約数ペア:

[(1, 20052885), (3, 6684295), (5, 4010577), (15, 1336859), (19, 1055415), (57, 351805), (71, 282435), (95, 211083), (213, 94145), (285, 70361), (355, 56487), (991, 20235), (1065, 18829), (1349, 14865), (2973, 6745), (4047, 4955)]