20787029175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{63467}}^1$

素因数の和:63888

約数の個数: 48

約数和(自身を含む): 37587272832

約数和(自身を除く): 16800243657

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 397, 825, 1191, 1985, 4367, 5955, 9925, 13101, 21835, 29775, 63467, 65505, 109175, 190401, 317335, 327525, 698137, 952005, 1586675, 2094411, 3490685, 4760025, 10472055, 17453425, 25196399, 52360275, 75589197, 125981995, 277160389, 377945985, 629909975, 831481167, 1385801945, 1889729925, 4157405835, 6929009725, 20787029175]

約数ペア:

[(1, 20787029175), (3, 6929009725), (5, 4157405835), (11, 1889729925), (15, 1385801945), (25, 831481167), (33, 629909975), (55, 377945985), (75, 277160389), (165, 125981995), (275, 75589197), (397, 52360275), (825, 25196399), (1191, 17453425), (1985, 10472055), (4367, 4760025), (5955, 3490685), (9925, 2094411), (13101, 1586675), (21835, 952005), (29775, 698137), (63467, 327525), (65505, 317335), (109175, 190401)]