20121248

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2149

約数の個数: 48

約数和(自身を含む): 46347840

約数和(自身を除く): 26226592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2089, 2408, 4178, 4816, 8356, 9632, 14623, 16712, 29246, 33424, 58492, 66848, 89827, 116984, 179654, 233968, 359308, 467936, 628789, 718616, 1257578, 1437232, 2515156, 2874464, 5030312, 10060624, 20121248]

約数ペア:

[(1, 20121248), (2, 10060624), (4, 5030312), (7, 2874464), (8, 2515156), (14, 1437232), (16, 1257578), (28, 718616), (32, 628789), (43, 467936), (56, 359308), (86, 233968), (112, 179654), (172, 116984), (224, 89827), (301, 66848), (344, 58492), (602, 33424), (688, 29246), (1204, 16712), (1376, 14623), (2089, 9632), (2408, 8356), (4178, 4816)]