20530680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5519}}^1$

素因数の和:5564

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 43059720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5519, 11038, 16557, 22076, 27595, 33114, 44152, 55190, 66228, 82785, 110380, 132456, 165570, 171089, 220760, 331140, 342178, 513267, 662280, 684356, 855445, 1026534, 1368712, 1710890, 2053068, 2566335, 3421780, 4106136, 5132670, 6843560, 10265340, 20530680]

約数ペア:

[(1, 20530680), (2, 10265340), (3, 6843560), (4, 5132670), (5, 4106136), (6, 3421780), (8, 2566335), (10, 2053068), (12, 1710890), (15, 1368712), (20, 1026534), (24, 855445), (30, 684356), (31, 662280), (40, 513267), (60, 342178), (62, 331140), (93, 220760), (120, 171089), (124, 165570), (155, 132456), (186, 110380), (248, 82785), (310, 66228), (372, 55190), (465, 44152), (620, 33114), (744, 27595), (930, 22076), (1240, 16557), (1860, 11038), (3720, 5519)]