20060676880

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{251513}}^1$

素因数の和:252523

約数の個数: 40

約数和(自身を含む): 46688040792

約数和(自身を除く): 26627363912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1994, 3988, 4985, 7976, 9970, 15952, 19940, 39880, 79760, 251513, 503026, 1006052, 1257565, 2012104, 2515130, 4024208, 5030260, 10060520, 20121040, 250758461, 501516922, 1003033844, 1253792305, 2006067688, 2507584610, 4012135376, 5015169220, 10030338440, 20060676880]

約数ペア:

[(1, 20060676880), (2, 10030338440), (4, 5015169220), (5, 4012135376), (8, 2507584610), (10, 2006067688), (16, 1253792305), (20, 1003033844), (40, 501516922), (80, 250758461), (997, 20121040), (1994, 10060520), (3988, 5030260), (4985, 4024208), (7976, 2515130), (9970, 2012104), (15952, 1257565), (19940, 1006052), (39880, 503026), (79760, 251513)]