20120685424

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1144261}}^1$

素因数の和:1144433

約数の個数: 40

約数和(自身を含む): 44836762208

約数和(自身を除く): 24716076784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 8792, 17584, 1144261, 2288522, 4577044, 8009827, 9154088, 16019654, 18308176, 32039308, 64078616, 128157232, 179648977, 359297954, 718595908, 1257542839, 1437191816, 2515085678, 2874383632, 5030171356, 10060342712, 20120685424]

約数ペア:

[(1, 20120685424), (2, 10060342712), (4, 5030171356), (7, 2874383632), (8, 2515085678), (14, 1437191816), (16, 1257542839), (28, 718595908), (56, 359297954), (112, 179648977), (157, 128157232), (314, 64078616), (628, 32039308), (1099, 18308176), (1256, 16019654), (2198, 9154088), (2512, 8009827), (4396, 4577044), (8792, 2288522), (17584, 1144261)]