20029515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6427

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16776885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6389, 19167, 31945, 70279, 95835, 121391, 210837, 351395, 364173, 606955, 1054185, 1335301, 1820865, 4005903, 6676505, 20029515]

約数ペア:

[(1, 20029515), (3, 6676505), (5, 4005903), (11, 1820865), (15, 1335301), (19, 1054185), (33, 606955), (55, 364173), (57, 351395), (95, 210837), (165, 121391), (209, 95835), (285, 70279), (627, 31945), (1045, 19167), (3135, 6389)]