20655576

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4703}}^1$

素因数の和:4776

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 36215784

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, 4703, 9406, 14109, 18812, 28218, 37624, 42327, 56436, 84654, 112872, 169308, 286883, 338616, 573766, 860649, 1147532, 1721298, 2295064, 2581947, 3442596, 5163894, 6885192, 10327788, 20655576]

約数ペア:

[(1, 20655576), (2, 10327788), (3, 6885192), (4, 5163894), (6, 3442596), (8, 2581947), (9, 2295064), (12, 1721298), (18, 1147532), (24, 860649), (36, 573766), (61, 338616), (72, 286883), (122, 169308), (183, 112872), (244, 84654), (366, 56436), (488, 42327), (549, 37624), (732, 28218), (1098, 18812), (1464, 14109), (2196, 9406), (4392, 4703)]