20218949745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2693}}^1\times {\mathrm{29443}}^1$

素因数の和:32161

約数の個数: 32

約数和(自身を含む): 34267162752

約数和(自身を除く): 14048213007

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 2693, 8079, 13465, 29443, 40395, 45781, 88329, 137343, 147215, 228905, 441645, 500531, 686715, 1501593, 2502655, 7507965, 79289999, 237869997, 396449995, 1189349985, 1347929983, 4043789949, 6739649915, 20218949745]

約数ペア:

[(1, 20218949745), (3, 6739649915), (5, 4043789949), (15, 1347929983), (17, 1189349985), (51, 396449995), (85, 237869997), (255, 79289999), (2693, 7507965), (8079, 2502655), (13465, 1501593), (29443, 686715), (40395, 500531), (45781, 441645), (88329, 228905), (137343, 147215)]