20107710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10639}}^1$

素因数の和:10662

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 41178690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10639, 21278, 31917, 53195, 63834, 74473, 95751, 106390, 148946, 159585, 191502, 223419, 287253, 319170, 372365, 446838, 478755, 574506, 670257, 744730, 957510, 1117095, 1340514, 1436265, 2010771, 2234190, 2872530, 3351285, 4021542, 6702570, 10053855, 20107710]

約数ペア:

[(1, 20107710), (2, 10053855), (3, 6702570), (5, 4021542), (6, 3351285), (7, 2872530), (9, 2234190), (10, 2010771), (14, 1436265), (15, 1340514), (18, 1117095), (21, 957510), (27, 744730), (30, 670257), (35, 574506), (42, 478755), (45, 446838), (54, 372365), (63, 319170), (70, 287253), (90, 223419), (105, 191502), (126, 159585), (135, 148946), (189, 106390), (210, 95751), (270, 74473), (315, 63834), (378, 53195), (630, 31917), (945, 21278), (1890, 10639)]