20342820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10937}}^1$

素因数の和:10980

約数の個数: 48

約数和(自身を含む): 58802688

約数和(自身を除く): 38459868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10937, 21874, 32811, 43748, 54685, 65622, 109370, 131244, 164055, 218740, 328110, 339047, 656220, 678094, 1017141, 1356188, 1695235, 2034282, 3390470, 4068564, 5085705, 6780940, 10171410, 20342820]

約数ペア:

[(1, 20342820), (2, 10171410), (3, 6780940), (4, 5085705), (5, 4068564), (6, 3390470), (10, 2034282), (12, 1695235), (15, 1356188), (20, 1017141), (30, 678094), (31, 656220), (60, 339047), (62, 328110), (93, 218740), (124, 164055), (155, 131244), (186, 109370), (310, 65622), (372, 54685), (465, 43748), (620, 32811), (930, 21874), (1860, 10937)]