20199451792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3181}}^1\times {\mathrm{30529}}^1$

素因数の和:33731

約数の個数: 40

約数和(自身を含む): 42161563640

約数和(自身を除く): 21962111848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3181, 6362, 12724, 25448, 30529, 41353, 50896, 61058, 82706, 122116, 165412, 244232, 330824, 396877, 488464, 661648, 793754, 1587508, 3175016, 6350032, 97112749, 194225498, 388450996, 776901992, 1262465737, 1553803984, 2524931474, 5049862948, 10099725896, 20199451792]

約数ペア:

[(1, 20199451792), (2, 10099725896), (4, 5049862948), (8, 2524931474), (13, 1553803984), (16, 1262465737), (26, 776901992), (52, 388450996), (104, 194225498), (208, 97112749), (3181, 6350032), (6362, 3175016), (12724, 1587508), (25448, 793754), (30529, 661648), (41353, 488464), (50896, 396877), (61058, 330824), (82706, 244232), (122116, 165412)]