20507448

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65729}}^1$

素因数の和:65751

約数の個数: 32

約数和(自身を含む): 55213200

約数和(自身を除く): 34705752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65729, 131458, 197187, 262916, 394374, 525832, 788748, 854477, 1577496, 1708954, 2563431, 3417908, 5126862, 6835816, 10253724, 20507448]

約数ペア:

[(1, 20507448), (2, 10253724), (3, 6835816), (4, 5126862), (6, 3417908), (8, 2563431), (12, 1708954), (13, 1577496), (24, 854477), (26, 788748), (39, 525832), (52, 394374), (78, 262916), (104, 197187), (156, 131458), (312, 65729)]