20120463688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{15137}}^1\times {\mathrm{12781}}^1$

素因数の和:27937

約数の個数: 32

約数和(自身を含む): 40633722360

約数和(自身を除く): 20513258672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 12781, 15137, 25562, 30274, 51124, 60548, 102248, 121096, 166153, 196781, 332306, 393562, 664612, 787124, 1329224, 1574248, 193465997, 386931994, 773863988, 1547727976, 2515057961, 5030115922, 10060231844, 20120463688]

約数ペア:

[(1, 20120463688), (2, 10060231844), (4, 5030115922), (8, 2515057961), (13, 1547727976), (26, 773863988), (52, 386931994), (104, 193465997), (12781, 1574248), (15137, 1329224), (25562, 787124), (30274, 664612), (51124, 393562), (60548, 332306), (102248, 196781), (121096, 166153)]