20790092624

素因数分解:

$2^4\times 7^1\times {\mathrm{2549}}^1\times {\mathrm{72823}}^1$

素因数の和:75387

約数の個数: 40

約数和(自身を含む): 46053897600

約数和(自身を除く): 25263804976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2549, 5098, 10196, 17843, 20392, 35686, 40784, 71372, 72823, 142744, 145646, 285488, 291292, 509761, 582584, 1019522, 1165168, 2039044, 4078088, 8156176, 185625827, 371251654, 742503308, 1299380789, 1485006616, 2598761578, 2970013232, 5197523156, 10395046312, 20790092624]

約数ペア:

[(1, 20790092624), (2, 10395046312), (4, 5197523156), (7, 2970013232), (8, 2598761578), (14, 1485006616), (16, 1299380789), (28, 742503308), (56, 371251654), (112, 185625827), (2549, 8156176), (5098, 4078088), (10196, 2039044), (17843, 1165168), (20392, 1019522), (35686, 582584), (40784, 509761), (71372, 291292), (72823, 285488), (142744, 145646)]