20523816

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4673}}^1$

素因数の和:4746

約数の個数: 48

約数和(自身を含む): 56508660

約数和(自身を除く): 35984844

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4673, 9346, 14019, 18692, 28038, 37384, 42057, 56076, 84114, 112152, 168228, 285053, 336456, 570106, 855159, 1140212, 1710318, 2280424, 2565477, 3420636, 5130954, 6841272, 10261908, 20523816]

約数ペア:

[(1, 20523816), (2, 10261908), (3, 6841272), (4, 5130954), (6, 3420636), (8, 2565477), (9, 2280424), (12, 1710318), (18, 1140212), (24, 855159), (36, 570106), (61, 336456), (72, 285053), (122, 168228), (183, 112152), (244, 84114), (366, 56076), (488, 42057), (549, 37384), (732, 28038), (1098, 18692), (1464, 14019), (2196, 9346), (4392, 4673)]