20120123036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20364497}}^1$

素因数の和:20364533

約数の個数: 24

約数和(自身を含む): 39914416080

約数和(自身を除く): 19794293044

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20364497, 40728994, 81457988, 264738461, 386925443, 529476922, 773850886, 1058953844, 1547701772, 5030030759, 10060061518, 20120123036]

約数ペア:

[(1, 20120123036), (2, 10060061518), (4, 5030030759), (13, 1547701772), (19, 1058953844), (26, 773850886), (38, 529476922), (52, 386925443), (76, 264738461), (247, 81457988), (494, 40728994), (988, 20364497)]