20285925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 37235712

約数和(自身を除く): 16949787

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 67, 75, 165, 201, 275, 335, 367, 737, 825, 1005, 1101, 1675, 1835, 2211, 3685, 4037, 5025, 5505, 9175, 11055, 12111, 18425, 20185, 24589, 27525, 55275, 60555, 73767, 100925, 122945, 270479, 302775, 368835, 614725, 811437, 1352395, 1844175, 4057185, 6761975, 20285925]

約数ペア:

[(1, 20285925), (3, 6761975), (5, 4057185), (11, 1844175), (15, 1352395), (25, 811437), (33, 614725), (55, 368835), (67, 302775), (75, 270479), (165, 122945), (201, 100925), (275, 73767), (335, 60555), (367, 55275), (737, 27525), (825, 24589), (1005, 20185), (1101, 18425), (1675, 12111), (1835, 11055), (2211, 9175), (3685, 5505), (4037, 5025)]