20820360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15773}}^1$

素因数の和:15798

約数の個数: 64

約数和(自身を含む): 68143680

約数和(自身を除く): 47323320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15773, 31546, 47319, 63092, 78865, 94638, 126184, 157730, 173503, 189276, 236595, 315460, 347006, 378552, 473190, 520509, 630920, 694012, 867515, 946380, 1041018, 1388024, 1735030, 1892760, 2082036, 2602545, 3470060, 4164072, 5205090, 6940120, 10410180, 20820360]

約数ペア:

[(1, 20820360), (2, 10410180), (3, 6940120), (4, 5205090), (5, 4164072), (6, 3470060), (8, 2602545), (10, 2082036), (11, 1892760), (12, 1735030), (15, 1388024), (20, 1041018), (22, 946380), (24, 867515), (30, 694012), (33, 630920), (40, 520509), (44, 473190), (55, 378552), (60, 347006), (66, 315460), (88, 236595), (110, 189276), (120, 173503), (132, 157730), (165, 126184), (220, 94638), (264, 78865), (330, 63092), (440, 47319), (660, 31546), (1320, 15773)]